This glossary explains operational, technology, workforce, commercial, quality, and regulatory acronyms used across Business Services / Professional Services, with a focused view of the Business Process Outsourcing & Contact Centers Practice. It helps executives, operators, advisors, clients, and suppliers interpret performance reports, contracts, platforms, compliance requirements, and transformation initiatives.
0–9 A B C D E F G H I K L M N O P Q R S T U V W X
| 0–9 | |
| 10DLC | 10-Digit Long Code: A standard local telephone number used for application-originated business messaging in the United States. Registration and carrier approval affect message throughput, filtering, deliverability, and compliance. |
| A | |
| A2P | Application-to-Person: Messaging sent from a business application to an individual, including service alerts, authentication codes, appointment reminders, and customer-support notifications. |
| ACD | Automatic Call Distributor: A contact-center system that receives inbound calls and routes them to suitable agents, queues, or automated services according to configured rules. |
| ACR | Abandoned Call Rate: The percentage of offered calls disconnected by customers before reaching an agent. It is monitored as an indicator of accessibility, queue performance, and staffing adequacy. |
| ACW | After-Call Work: Time an agent spends completing notes, classifications, dispositions, or follow-up tasks immediately after an interaction. |
| AHT | Average Handle Time: The average duration of a handled interaction, typically including talk or contact time, hold time, and after-contact work. It is central to capacity planning and productivity management but must be balanced against quality and resolution outcomes. |
| AI | Artificial Intelligence: Technologies that perform tasks such as intent detection, summarization, forecasting, quality evaluation, agent assistance, and automated customer service. |
| AMD | Answering Machine Detection: Dialing technology that attempts to distinguish a live person from voicemail or an answering machine, affecting outbound-agent productivity and customer experience. |
| ANI | Automatic Number Identification: Telecommunications data that identifies the telephone number associated with an incoming call. It supports customer lookup, routing, authentication, and reporting. |
| ART | Average Response Time: The average elapsed time before customers receive a response, particularly across email, messaging, chat, and social-service channels. |
| ASA | Average Speed of Answer: The average queue time before answered contacts reach an agent. It is commonly used to evaluate staffing performance and service accessibility. |
| ASR | Automatic Speech Recognition: Technology that converts spoken language into machine-readable text or commands for voice bots, transcription, analytics, and agent-assistance applications. |
| ATDS | Automatic Telephone Dialing System: A statutory term under United States telephone-consumer law that is relevant when assessing consent and restrictions for automated outbound calling and text messaging. |
| ATT | Average Talk Time: The average time agents spend actively conversing with customers, excluding most post-contact work and, depending on the reporting convention, hold time. |
| AUX | Auxiliary Work: An agent state used for breaks, coaching, meetings, training, administrative work, or other activities that make the agent unavailable for routed contacts. |
| B | |
| BAA | Business Associate Agreement: A contract required in specified United States healthcare relationships that establishes how a service provider may use, safeguard, and disclose protected health information. |
| BAFO | Best and Final Offer: A supplier’s final commercial and contractual submission during a competitive sourcing process, generally following clarification and negotiation rounds. |
| BCM | Business Continuity Management: The governance discipline used to prepare for, respond to, and recover from operational disruptions affecting people, facilities, technology, telecommunications, or suppliers. |
| BCP | Business Continuity Plan: Documented procedures for maintaining or restoring critical services during events such as site outages, severe weather, cyber incidents, utility failures, or workforce disruptions. |
| BCR | Binding Corporate Rules: Internal data-protection policies approved by European supervisory authorities to support transfers of personal data among entities in a multinational corporate group. |
| BIA | Business Impact Analysis: A structured assessment of how service interruptions affect customers, contractual commitments, revenue, compliance, and operations. Its findings help set recovery priorities and continuity requirements. |
| BOT | Build-Operate-Transfer: An outsourcing model in which a provider establishes and operates a delivery capability before transferring ownership or control to the client. |
| BPA | Business Process Automation: The use of workflow, rules, integration, and automation technologies to execute repetitive process steps with less manual effort and greater consistency. |
| BPaaS | Business Process as a Service: A cloud-delivered model in which standardized business processes, enabling technology, and operational support are provided as a scalable service. |
| BPM | Business Process Management: A discipline for designing, governing, measuring, and continuously improving end-to-end processes across organizational and supplier boundaries. |
| BPMN | Business Process Model and Notation: A standardized graphical notation for documenting workflows, decisions, events, handoffs, and process participants during design or transformation work. |
| BPO | Business Process Outsourcing: The contracting of defined operational processes to an external provider, often covering customer operations, transaction processing, finance, analytics, or industry-specific services. |
| BPS | Business Process Services: A broad provider category encompassing outsourced operations, managed processes, analytics, automation, and process-transformation services. |
| BTO | Business Transformation Outsourcing: An outsourcing approach that combines service delivery with material redesign of processes, technology, organization, and performance outcomes. |
| BYOC | Bring Your Own Carrier: A cloud-contact-center arrangement that lets an organization retain or select its telecommunications carrier rather than using only the platform provider’s bundled connectivity. |
| C | |
| CAI | Conversational Artificial Intelligence: Technology that interprets natural language and generates responses across voice or digital channels, enabling virtual agents, self-service, and real-time agent support. |
| CAN-SPAM | Controlling the Assault of Non-Solicited Pornography and Marketing Act: A United States law governing commercial email, including sender identification, truthful subject lines, opt-out mechanisms, and processing of unsubscribe requests. |
| CAPA | Corrective and Preventive Action: A quality-management process for correcting identified nonconformities, investigating root causes, and preventing occurrence or recurrence. |
| CASL | Canada’s Anti-Spam Legislation: Canadian requirements governing commercial electronic messages, consent, sender identification, unsubscribe functionality, and certain software-installation practices. |
| CCaaS | Contact Center as a Service: A cloud delivery model for routing, digital engagement, workforce management, analytics, quality management, and related customer-service capabilities. |
| CCPA | California Consumer Privacy Act: A California privacy law granting covered consumers rights concerning access, deletion, correction, disclosure, and certain uses or transfers of personal information. |
| CDR | Call Detail Record: A structured telecommunications record containing attributes such as originating number, destination, start time, duration, routing, and disposition for a call. |
| CES | Customer Effort Score: A survey-based measure of how easy or difficult customers found an interaction or task. It helps identify friction in service journeys and processes. |
| CFPB | Consumer Financial Protection Bureau: The United States federal agency responsible for consumer financial protection, with relevance to outsourced servicing, collections, complaints, disclosures, and fair-treatment controls. |
| CLI | Calling Line Identification: Telephone-network information that displays or transmits the calling party’s number, supporting identification, routing, callback, and fraud controls. |
| COE | Center of Excellence: A centralized team that establishes standards, expertise, governance, reusable methods, and improvement capabilities for a process or technology domain. |
| COPC | Customer Operations Performance Center: The name associated with a performance-management framework and certification standard used to improve customer-operations quality, efficiency, service, and customer experience. |
| CPaaS | Communications Platform as a Service: A cloud model that provides programmable voice, messaging, video, and verification capabilities for integration into customer-service workflows and applications. |
| CPC | Cost per Contact: The total operating cost divided by the number of handled contacts for a defined channel and period. It supports channel economics, benchmarking, pricing, and productivity analysis. |
| CPRA | California Privacy Rights Act: A California measure that expanded the state’s privacy regime, added consumer rights and obligations, and established a dedicated privacy enforcement agency. |
| CRM | Customer Relationship Management: A system and operating discipline for managing customer profiles, interaction histories, cases, opportunities, preferences, and service activities. |
| CRTC | Canadian Radio-television and Telecommunications Commission: Canada’s telecommunications regulator, with responsibilities relevant to unsolicited communications, telemarketing, telephone-number use, and carrier practices. |
| CSAT | Customer Satisfaction: A survey-based measure of customer satisfaction with a specific interaction, process, product, or overall relationship, usually reported as a score or favorable-response percentage. |
| CSP | Communications Service Provider: A company supplying voice, messaging, connectivity, numbering, or related communications services used by contact-center platforms and operations. |
| CSR | Customer Service Representative: An employee or contractor who handles customer inquiries, transactions, support requests, complaints, or other service interactions. |
| CTI | Computer Telephony Integration: The connection of telephone systems with business applications to enable screen pops, click-to-dial, call control, routing, recording, and interaction logging. |
| CTQ | Critical to Quality: A measurable product, process, or service characteristic that must meet defined requirements to satisfy customers or comply with operational standards. |
| CX | Customer Experience: The customer’s overall perception formed through interactions across channels, processes, products, employees, and service outcomes. |
| CXM | Customer Experience Management: The coordinated measurement and improvement of customer journeys, interactions, feedback, service design, and operational delivery. |
| D | |
| DID | Direct Inward Dialing: A telephone service that assigns numbers capable of routing inbound calls directly to particular users, queues, applications, or services without operator intervention. |
| DLP | Data Loss Prevention: Policies and technologies designed to detect and restrict unauthorized transmission, copying, storage, or disclosure of sensitive data. |
| DMAIC | Define, Measure, Analyze, Improve, Control: A structured process-improvement method used to diagnose performance gaps, implement changes, and sustain measurable gains. |
| DNC | Do Not Call: A designation covering consumer opt-outs, internal suppression lists, and government registries that restrict specified outbound telemarketing calls. |
| DNIS | Dialed Number Identification Service: A telephone-network service that identifies which destination number a caller selected, enabling routing by brand, campaign, language, product, or service line. |
| DPA | Data Processing Agreement: A contract defining the parties’ responsibilities, instructions, safeguards, subprocessors, breach obligations, and data-handling requirements when personal information is processed. |
| DPDP Act | Digital Personal Data Protection Act: India’s personal-data law governing specified digital processing activities, including obligations affecting service providers and cross-border delivery operations. |
| DPIA | Data Protection Impact Assessment: A documented evaluation of privacy risks and safeguards for processing activities likely to create high risks to individuals’ rights and freedoms. |
| DR | Disaster Recovery: The capabilities and procedures used to restore technology, telecommunications, data, and critical applications after a serious disruption. |
| DSAR | Data Subject Access Request: A request from an individual seeking access to personal data and related processing information. Outsourced operations may need controlled procedures to identify, retrieve, review, and deliver responsive records. |
| DSAT | Customer Dissatisfaction Score: A measure of unfavorable customer responses following an interaction or journey, used to identify service failures and prioritize corrective action. |
| DTMF | Dual-Tone Multi-Frequency: The signaling technology behind telephone keypad tones, commonly used for menu selection, account entry, authentication, and payment input. |
| E | |
| EWT | Estimated Wait Time: A forecast of how long a customer is likely to wait before service, often announced in a queue or used to trigger callback and routing options. |
| F | |
| FAO | Finance and Accounting Outsourcing: The external delivery of processes such as transaction processing, reconciliations, reporting support, order-to-cash, procure-to-pay, and record-to-report. |
| FCC | Federal Communications Commission: The United States regulator responsible for interstate and international communications, including rules affecting calling, texting, numbering, caller identification, and accessibility. |
| FCR | First Contact Resolution / First Call Resolution: The percentage of customer issues resolved during the initial interaction without avoidable transfer, escalation, or repeat contact. The broader formulation covers all channels, while the call-specific formulation applies to voice interactions. |
| FCRA | Fair Credit Reporting Act: A United States law governing consumer-reporting information, with implications for outsourced collections, disputes, identity verification, account servicing, and permissible use of data. |
| FDCPA | Fair Debt Collection Practices Act: A United States law establishing conduct and communication requirements for covered third-party debt collectors, including restrictions relevant to collection contact centers. |
| FTC | Federal Trade Commission: The United States agency responsible for consumer-protection and competition enforcement, including telemarketing, deceptive practices, privacy, and information-security matters. |
| FTE | Full-Time Equivalent: A standardized unit representing the workload or capacity of one full-time worker. It is widely used for staffing plans, productivity comparisons, transfer baselines, and outsourcing prices. |
| G | |
| GBS | Global Business Services: An enterprise operating model that integrates shared services, outsourcing, process ownership, technology, and governance across functions and geographies. |
| GCC | Global Capability Center: A company-owned delivery organization, often located in a talent hub, that provides operational, analytical, digital, or technology capabilities to the wider enterprise. |
| GDPR | General Data Protection Regulation: The European Union’s comprehensive data-protection regulation governing lawful processing, individual rights, security, accountability, processors, and international data transfers. |
| GenAI | Generative Artificial Intelligence: Technology that creates text, speech, summaries, answers, or other content from learned patterns. Common applications include agent assistance, interaction summarization, knowledge retrieval, and virtual service agents. |
| GLBA | Gramm-Leach-Bliley Act: A United States law containing privacy and safeguarding requirements for financial institutions and service providers handling consumers’ nonpublic personal information. |
| GOS | Grade of Service: A telecommunications measure of the probability that a call will be blocked or delayed beyond a defined threshold because capacity is unavailable. |
| H | |
| HIPAA | Health Insurance Portability and Accountability Act: A United States law whose privacy, security, and breach-notification requirements affect healthcare service providers handling protected health information. |
| HITRUST CSF | Health Information Trust Alliance Common Security Framework: A certifiable risk and compliance framework that harmonizes security and privacy requirements and is frequently used to assess providers serving healthcare organizations. |
| I | |
| ICMI | International Customer Management Institute: A professional organization providing training, research, certification, and operational guidance for contact-center and customer-management professionals. |
| ICO | Information Commissioner’s Office: The United Kingdom’s independent regulator for data protection and information rights, including privacy and electronic-communications requirements. |
| ID&V | Identification and Verification: Procedures used to establish a customer’s claimed identity and verify it before disclosing information, changing an account, or completing a sensitive transaction. |
| IDP | Intelligent Document Processing: The combined use of document capture, recognition, machine learning, and workflow to classify documents and extract data for downstream business processes. |
| IPA | Intelligent Process Automation: The coordinated use of automation, artificial intelligence, workflow, and analytics to execute and improve complex business processes. |
| ISAE 3402 | International Standard on Assurance Engagements 3402: An international assurance standard for reporting on controls at a service organization that are relevant to user entities’ financial reporting. |
| ISMS | Information Security Management System: A governed system of policies, risk assessments, controls, monitoring, and continual improvement for protecting information assets. |
| ISO 18295-1 | International Organization for Standardization 18295-1 — Customer Contact Centres — Part 1: Requirements for Customer Contact Centres: A standard specifying service, process, workforce, customer-protection, and performance requirements for customer-contact operations. |
| ISO 18295-2 | International Organization for Standardization 18295-2 — Customer Contact Centres — Part 2: Requirements for Clients Using the Services of Customer Contact Centres: A standard defining responsibilities and practices for organizations that engage internal or outsourced customer-contact services. |
| ISO 22301 | International Organization for Standardization 22301 — Security and Resilience — Business Continuity Management Systems — Requirements: A certifiable standard for establishing, operating, monitoring, and improving organizational resilience and continuity capabilities. |
| ISO 9001 | International Organization for Standardization 9001 — Quality Management Systems — Requirements: A certifiable standard focused on consistent processes, customer requirements, controlled documentation, performance evaluation, and continual improvement. |
| ISO/IEC 27001 | International Organization for Standardization / International Electrotechnical Commission 27001 — Information Security, Cybersecurity and Privacy Protection — Information Security Management Systems — Requirements: A certifiable standard for managing information-security risks through a structured control and governance system. |
| ITeS | Information Technology-enabled Services: Business services delivered with substantial reliance on telecommunications, software, workflow, data, and digital infrastructure, often from remote or offshore centers. |
| ITO | Information Technology Outsourcing: The external provision of infrastructure, application, service-desk, or technology operations. It is often sourced alongside business-process services but has different delivery skills, controls, and commercial units. |
| IVA | Intelligent Virtual Assistant: An automated voice or digital agent that uses language technologies, business rules, and integrations to answer questions or complete customer tasks. |
| IVR | Interactive Voice Response: An automated telephone system that collects spoken or keypad input to authenticate callers, provide self-service, or route calls. |
| K | |
| KBA | Knowledge-Based Authentication: An identity-verification method that asks questions based on information expected to be known only by the legitimate customer. |
| KMS | Knowledge Management System: A platform for creating, approving, organizing, searching, and maintaining the procedures and answers used by agents and self-service tools. |
| KPO | Knowledge Process Outsourcing: The external delivery of specialized, judgment-intensive work such as research, analytics, engineering support, financial analysis, or domain-specific decision support. |
| KT | Knowledge Transfer: The structured capture and transfer of process, policy, system, exception-handling, and institutional knowledge during transition or workforce change. |
| KYC | Know Your Customer: Controls used to verify customer identity, understand risk, and satisfy financial-crime and regulatory requirements during onboarding and account servicing. |
| L | |
| LCR | Least-Cost Routing: The automated selection of a telecommunications route based on cost and configured quality or availability criteria. |
| LGPD | Lei Geral de Proteção de Dados Pessoais: Brazil’s general personal-data protection law, establishing processing principles, individual rights, security duties, and obligations affecting service providers. |
| LLM | Large Language Model: A machine-learning model trained on large text collections to understand and generate language. Service applications include summarization, knowledge assistance, intent analysis, and conversational automation. |
| LOB | Line of Business: A product, customer, geographic, or operational segment used to organize routing, staffing, reporting, governance, and financial accountability. |
| LPO | Legal Process Outsourcing: The external delivery of defined legal-support processes such as document review, contract administration, legal research, or litigation support. |
| M | |
| MBR | Monthly Business Review: A recurring governance meeting used to review service performance, financials, risks, staffing, improvement actions, and contractual commitments. |
| MFA | Multi-Factor Authentication: An access-control method requiring evidence from two or more authentication-factor categories, reducing the risk of unauthorized system or account access. |
| ML | Machine Learning: Computational methods that learn patterns from data for applications such as forecasting, routing, fraud detection, quality scoring, and language processing. |
| MMS | Multimedia Messaging Service: A mobile messaging standard that supports images, audio, video, and longer multimedia content in addition to text. |
| MNO | Mobile Network Operator: A carrier operating a mobile network and controlling subscriber connectivity, numbering, and message-delivery policies relevant to business communications. |
| MOS | Mean Opinion Score: A numerical rating of perceived voice or media quality, used to monitor whether network conditions support intelligible and reliable customer conversations. |
| MSA | Master Services Agreement: The principal contract establishing the legal and commercial terms governing an ongoing client-provider relationship and its subordinate work orders. |
| MSP | Managed Service Provider: A supplier that assumes continuing responsibility for operating, monitoring, and improving a defined service or capability under agreed performance requirements. |
| MTTR | Mean Time to Resolution: The average elapsed time required to resolve incidents or customer issues, often used in technical support and service operations. |
| N | |
| NLP | Natural Language Processing: Technology that analyzes and generates human language for intent detection, sentiment analysis, classification, search, summarization, and automated conversations. |
| NLU | Natural Language Understanding: A branch of language technology focused on extracting meaning, entities, context, and user intent from spoken or written input. |
| NPS | Net Promoter Score: A relationship or journey metric calculated from customers’ likelihood-to-recommend ratings by subtracting the percentage of detractors from the percentage of promoters. |
| O | |
| O2C | Order-to-Cash: The end-to-end process from customer order receipt through fulfillment, billing, receivables management, collections, and cash application. |
| OCR | Optical Character Recognition: Technology that converts printed, scanned, or photographed text into machine-readable data for document-intensive back-office workflows. |
| OLA | Operational Level Agreement: An internal agreement defining the responsibilities and performance commitments between teams that collectively support an external service obligation. |
| OTP | One-Time Password: A temporary authentication code delivered or generated for a single login or transaction, commonly used in customer verification workflows. |
| OTT | Over-the-Top: Internet-based communications delivered independently of traditional carrier voice or text services, including consumer messaging applications used for customer engagement. |
| P | |
| P2P | Procure-to-Pay: The end-to-end process covering purchasing requests, supplier orders, receipt confirmation, invoice processing, approvals, and payment. |
| P4P | Pay for Performance: A commercial or compensation structure in which part of payment depends on achieving defined productivity, quality, sales, collection, or customer-outcome targets. |
| PBX | Private Branch Exchange: A private telephone system that manages internal extensions and external calling for an organization or contact-center site. |
| PCI DSS | Payment Card Industry Data Security Standard: A security standard for entities that store, process, or transmit payment-card account data, including service operations that accept card details by voice or digital channels. |
| PDCA | Plan, Do, Check, Act: An iterative management cycle used to test changes, evaluate results, standardize effective practices, and support continual improvement. |
| PDD | Post-Dial Delay: The elapsed time between initiating an outbound call and connecting the answered party to a live agent or automated message. Excessive delay can create silence and increase abandonment. |
| PECR | Privacy and Electronic Communications Regulations: United Kingdom rules covering electronic marketing, cookies, communications confidentiality, caller identification, and related privacy requirements. |
| PHI | Protected Health Information: Individually identifiable health information protected under United States healthcare privacy rules and requiring controlled access, use, storage, and disclosure. |
| PII | Personally Identifiable Information: Information that identifies, relates to, or can reasonably be linked with an individual, requiring appropriate privacy, access, retention, and security controls. |
| PIPEDA | Personal Information Protection and Electronic Documents Act: Canada’s federal private-sector privacy law governing the collection, use, disclosure, and safeguarding of personal information in covered commercial activities. |
| PIPL | Personal Information Protection Law: China’s national personal-information law, establishing processing obligations, individual rights, localization considerations, and cross-border transfer requirements. |
| POPIA | Protection of Personal Information Act: South Africa’s data-protection law governing lawful processing, security safeguards, data-subject rights, operators, and international transfers. |
| PSTN | Public Switched Telephone Network: The interconnected public telephone infrastructure used to originate and terminate conventional voice calls across fixed and mobile networks. |
| PTP | Promise to Pay: A debtor’s commitment to make a specified payment by an agreed date. Collection operations track kept and broken commitments as key outcome measures. |
| Q | |
| QA | Quality Assurance: The systematic evaluation of interactions and processes against defined standards for accuracy, compliance, customer treatment, and procedural adherence. |
| QBR | Quarterly Business Review: A formal client-provider governance meeting focused on strategic performance, trends, financials, risks, transformation priorities, and forward plans. |
| QC | Quality Control: Inspection or testing activities used to detect errors and verify that completed transactions or service outputs meet defined requirements. |
| QM | Quality Management: The operating capability used to select, evaluate, calibrate, coach, and report on customer interactions and process outputs. |
| QMS | Quality Management System: A documented framework of policies, responsibilities, controls, records, audits, and improvement processes used to deliver consistent service quality. |
| R | |
| R2R | Record-to-Report: The finance process covering accounting entries, reconciliations, close activities, consolidation, and preparation of management or statutory reporting. |
| RAG | Retrieval-Augmented Generation: An approach that retrieves relevant enterprise content and supplies it to a generative model when producing an answer. It can improve grounding and currency in agent-assistance and self-service applications. |
| RCA | Root Cause Analysis: A structured investigation used to identify the underlying causes of defects, complaints, repeat contacts, incidents, or performance failures rather than addressing only symptoms. |
| RCS | Rich Communication Services: A mobile messaging protocol supporting richer business interactions such as branding, media, suggested actions, delivery indicators, and conversational features. |
| RDA | Robotic Desktop Automation: Agent-attended automation that performs repetitive desktop tasks, retrieves information, or guides workflow while a human handles the interaction. |
| RFI | Request for Information: A sourcing document used to gather market intelligence, supplier capabilities, delivery options, and preliminary commercial information before a formal procurement. |
| RFP | Request for Proposal: A formal solicitation asking prospective providers to submit delivery, transition, technology, governance, risk, and pricing proposals against defined requirements. |
| RPA | Robotic Process Automation: Software automation that executes rules-based tasks through application interfaces or user-interface actions, often reducing manual processing in high-volume workflows. |
| RPC | Right-Party Contact: A verified interaction with the intended account holder or authorized person. It is a critical effectiveness and compliance measure in collection operations. |
| RPO | Recovery Point Objective: The maximum tolerable amount of data loss expressed as time, which determines backup, replication, and restoration requirements. |
| RTA | Real-Time Adherence: A workforce-management measure comparing agents’ current activities with their scheduled activities, enabling rapid response to coverage gaps. |
| RTA | Real-Time Analyst: A workforce-management role responsible for monitoring queues, staffing, agent states, schedule adherence, and intraday corrective actions. |
| RTO | Recovery Time Objective: The target maximum time for restoring a service or process after disruption, used to design continuity and recovery capabilities. |
| RTT | Round-Trip Time: The time required for a data packet or signal to travel to a destination and back. High latency can impair voice quality, screen response, and remote-agent performance. |
| S | |
| SBR | Skills-Based Routing: The assignment of contacts to agents based on language, product, certification, proficiency, channel, customer value, or other defined capabilities. |
| SCC | Standard Contractual Clauses: European Commission-approved contract terms used as a safeguard for certain transfers of personal data to countries outside the European Economic Area. |
| SIP | Session Initiation Protocol: A signaling protocol used to establish, modify, and terminate voice, video, and other real-time communications over internet-based networks. |
| SL | Service Level: A contact-center measure reporting the percentage of offered contacts answered within a specified time threshold, such as 80 percent within 20 seconds. |
| SLA | Service-Level Agreement: A contractual commitment defining performance measures, targets, responsibilities, reporting, remedies, exclusions, and escalation procedures for a service. |
| SME | Subject Matter Expert: A practitioner with deep knowledge of a process, policy, system, product, or customer segment who supports operations, training, quality, and issue resolution. |
| SMS | Short Message Service: The mobile-network standard used for text messaging, including customer notifications, authentication, support conversations, and outbound campaigns. |
| SOC 1 | System and Organization Controls 1: An independent assurance report on service-organization controls relevant to user entities’ internal control over financial reporting. |
| SOC 2 | System and Organization Controls 2: An independent assurance report evaluating controls against applicable trust-services criteria such as security, availability, processing integrity, confidentiality, and privacy. |
| SOP | Standard Operating Procedure: A controlled document specifying how agents or processors must perform a recurring task, including required steps, decisions, controls, and escalation paths. |
| SOW | Statement of Work: A contract document defining service scope, deliverables, locations, volumes, responsibilities, assumptions, pricing, performance measures, and change procedures. |
| SSAE 18 | Statement on Standards for Attestation Engagements No. 18: A United States attestation standard governing examinations of controls at service organizations, including reports relevant to clients’ financial reporting. |
| SSC | Shared Services Center: A centralized internal unit that consolidates standardized support or transaction-processing activities for multiple business units or geographies. |
| STIR/SHAKEN | Secure Telephone Identity Revisited / Signature-based Handling of Asserted Information Using toKENs: A caller-identity authentication framework used to reduce spoofed calls and communicate whether originating providers have verified calling-number information. |
| STP | Straight-Through Processing: End-to-end transaction processing completed without manual intervention, often used as a target measure for automation and exception reduction. |
| STT | Speech-to-Text: Technology that converts spoken audio into written text for transcription, search, analytics, quality monitoring, and agent-assistance applications. |
| T | |
| TAT | Turnaround Time: The elapsed time from receipt of a work item or request to completion, commonly used for back-office transactions, cases, escalations, and correspondence. |
| TCO | Total Cost of Ownership: The full lifecycle cost of a service or operating model, including transition, labor, technology, telecommunications, governance, retained organization, risk, and exit costs. |
| TCPA | Telephone Consumer Protection Act: A United States law regulating specified calls and text messages, including consent, revocation, automated technologies, prerecorded messages, and calling-time restrictions. |
| TDM | Time-Division Multiplexing: A telecommunications method that carries multiple voice or data streams by assigning each stream recurring time slots on a shared connection. |
| TFN | Toll-Free Number: A telephone number that generally charges the receiving business rather than the caller and is widely used for customer-service access and business messaging. |
| TOM | Target Operating Model: A defined future-state design covering organization, locations, processes, technology, governance, controls, sourcing, skills, and performance management. |
| TPRM | Third-Party Risk Management: The lifecycle process for assessing, contracting, monitoring, and exiting suppliers based on operational, financial, security, privacy, compliance, concentration, and resilience risks. |
| TPS | Telephone Preference Service: The United Kingdom’s official register through which individuals and certain organizations can opt out of unsolicited live sales and marketing calls. |
| TRAI | Telecom Regulatory Authority of India: India’s telecommunications regulator, with rules and programs affecting commercial communications, customer preferences, numbering, carriers, and service quality. |
| TSA | Transition Services Agreement: A contract under which one party temporarily provides services, systems, facilities, data, or personnel to support an operational separation or migration. |
| TSR | Technical Support Representative: An agent who diagnoses and resolves customer problems involving products, applications, devices, connectivity, or services. |
| TSR | Telemarketing Sales Rule: A United States federal rule governing covered outbound and inbound telemarketing practices, including disclosures, calling restrictions, payment methods, and deceptive conduct. |
| TTR | Time to Resolution: The elapsed time from issue creation or first contact until final resolution, used to evaluate case flow, escalation, and customer-impact duration. |
| TTS | Text-to-Speech: Technology that converts written text into synthesized speech for automated telephone services, virtual agents, accessibility, and dynamic announcements. |
| TUPE | Transfer of Undertakings (Protection of Employment): United Kingdom employment regulations that may protect employees and transfer employment obligations when services move between organizations or providers. |
| U | |
| UC | Unified Communications: The integration of enterprise voice, video, messaging, presence, conferencing, and collaboration capabilities into a coordinated environment. |
| UCaaS | Unified Communications as a Service: A cloud model delivering enterprise calling, conferencing, messaging, presence, and collaboration capabilities on a subscription basis. |
| UK GDPR | United Kingdom General Data Protection Regulation: The United Kingdom’s retained and amended data-protection framework governing personal-data processing, processors, individual rights, security, and international transfers. |
| V | |
| VDI | Virtual Desktop Infrastructure: Technology that hosts controlled desktop environments centrally and presents them remotely to agents, helping standardize access and protect client applications and data. |
| VDN | Vector Directory Number: A virtual contact-routing number used in certain telephony environments to direct calls into configured vectors, queues, and treatment logic. |
| VOC | Voice of the Customer: A structured program for collecting, analyzing, and acting on customer feedback from surveys, complaints, interactions, behavior, and journey data. |
| VoIP | Voice over Internet Protocol: The transmission of voice communications over internet-protocol networks rather than traditional circuit-switched telephone infrastructure. |
| VPN | Virtual Private Network: An encrypted connection that enables remote agents or sites to access authorized corporate systems through an untrusted network. |
| VRU | Voice Response Unit: An automated telephone component that plays prompts, accepts speech or keypad input, and provides information or routing without a live agent. |
| W | |
| WAH | Work-at-Home: A delivery model in which agents or processors work remotely from approved home environments using defined connectivity, security, supervision, and workspace controls. |
| WBR | Weekly Business Review: A recurring operational governance meeting focused on short-term performance, staffing, incidents, forecasts, corrective actions, and emerging risks. |
| WebRTC | Web Real-Time Communication: Browser-based technology enabling real-time voice, video, and data communications without requiring traditional telephone endpoints or proprietary plug-ins. |
| WEM | Workforce Engagement Management: A suite of capabilities combining workforce planning, quality, coaching, performance, learning, and employee-engagement tools for customer operations. |
| WFM | Workforce Management: The forecasting, staffing, scheduling, intraday management, and adherence processes used to align labor capacity with contact demand. |
| WFO | Workforce Optimization: An integrated approach combining workforce planning, recording, quality management, analytics, performance management, and coaching. |
| WISMO | Where Is My Order: A common retail and e-commerce contact reason concerning shipment status, delivery timing, or tracking. Reducing these inquiries through proactive communication and self-service can lower avoidable demand. |
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| XLA | Experience-Level Agreement: A client-provider commitment focused on user or customer experience outcomes rather than only operational activity measures and technical service targets. |