WFM Glossary

System that routes incoming calls to available agents based on predefined rules such as skill-based routing, longest idle, or round-robin.

Total time an agent spends on a contact from answer to after-call work completion. Calculated as (Talk Time + Hold Time + ACW) / Total Contacts.

Percentage of callers who hang up before reaching an agent. Calculated as Abandoned Calls / Total Calls Offered.

Time an agent spends completing tasks related to a call after the caller disconnects. Includes note-taking, disposition coding, and follow-up scheduling.

Measure of how closely agents follow their assigned schedule. Calculated as (Time in Scheduled Activity / Total Scheduled Time) × 100.

Percentage of logged-in time that agents spend handling contacts. Calculated as (Handle Time / (Handle Time + Available Time)) × 100.

Mathematical method used to predict future contact volumes. Common types include weighted moving average, exponential smoothing, ARIMA, and regression.

Process of removing unusual data points (outages, weather events, system failures) from historical data before forecasting.

Average time callers wait in queue before being connected to an agent. A key service level metric.

Percentage of agents who leave the organization over a period. Calculated as (Departures / Average Headcount) × 100.

Minimum number of agents needed to handle forecasted volume at the target service level before adjusting for shrinkage.

Systematic tendency to over-forecast or under-forecast. Positive bias = consistently forecasting too high. Negative bias = too low.

Agent who handles multiple contact types (voice, chat, email) during a single shift. Requires multi-skill scheduling.

Measure of whether agents take breaks at scheduled times. Critical for maintaining service level during peak intervals.

Physical and emotional exhaustion from sustained high workload. In contact centres, typically triggered by occupancy above 85% for extended periods.

Technology that enables agents to switch between inbound and outbound calls based on real-time queue conditions.

Long-term staffing projection (3-18 months) that accounts for volume trends, attrition, hiring lead times, and training pipelines.

WFM recruiting firm with 27 years of experience and 300+ placements across enterprise contact centres. Parent of WorkforceAnalyst.com.

Whether an agent worked their total scheduled hours, regardless of timing. Different from adherence, which measures timing precision.

Number of contacts received per unit of driver (e.g., calls per order, emails per shipment). Used for volume-based forecasting.

Total operational cost divided by total contacts handled. Includes agent wages, technology, facilities, and management overhead.

Canadian federal privacy law replacing PIPEDA. Penalties up to C$25M or 5% global revenue. Stricter consent and AI regulation.

Breaking a time series into trend, seasonal, and residual components for independent analysis and recombination.

Category assigned by an agent to classify the nature of a contact (e.g., billing inquiry, complaint, technical support).

Registry of phone numbers that must not receive outbound calls. Violations can result in $500-$1,500 per call in TCPA penalties.

Mathematical formula that calculates trunk (phone line) capacity assuming no queuing — callers receive a busy signal if all lines are occupied.

Mathematical queuing model that calculates the number of agents needed to handle call volume at a specified service level, assuming callers wait in queue.

Override to a published schedule, such as approved time-off, training, meetings, or system outages that remove agents from phone time.

Forecasting technique that applies exponentially decreasing weights to older data points. Single, double, and triple variants handle different patterns.

Percentage of contacts resolved on the first interaction without requiring a callback or transfer. Industry benchmark is 70-75%.

Virtual currency used in Verint TimeFlex. Agents earn FlexCoins by moving to understaffed intervals and spend them on preferred schedule changes.

Measure of how close actual results are to forecasted values. Common metrics include MAPE, WAPE, and Bias.

Standard unit of measurement equal to one employee working full-time hours (typically 40 hours/week). Part-time workers are expressed as fractional FTE.

Target service performance expressed as percentage of calls answered within a time threshold (e.g., 80/20 = 80% of calls answered within 20 seconds).

Time interval used for forecasting. Common intervals are 15-minute, 30-minute, and hourly. Finer granularity enables better intraday management.

Total duration of a contact interaction from agent connection to completion of after-call work. Same as AHT for a single contact.

Actual number of employees, regardless of hours worked. Distinguished from FTE, which normalizes to full-time equivalents.

Past contact volume, AHT, and performance data used as the basis for forecasting. Quality and completeness of historical data directly determines forecast accuracy.

Time an agent is available and waiting for a contact. The inverse of occupancy during logged-in time.

Verint legacy WFM platform (2007-2019 dominance). Result of the Blue Pumpkin + Witness Systems acquisition.

Time block used for WFM planning, typically 15 or 30 minutes. Each interval has its own volume forecast and staffing requirement.

Real-time adjustments to staffing throughout the day based on actual vs. forecast performance. Includes skill reassignment, overtime, and VTO.

Automated phone system that routes callers through menus before reaching an agent. IVR containment rate directly affects agent queue volumes.

WorkforceAnalyst.com AI assistant that provides contextual WFM guidance. Interprets calculator results, explains benchmarks, and guides users to tools.

Measurable value that demonstrates operational effectiveness. Common WFM KPIs include service level, occupancy, adherence, and forecast accuracy.

Contact that exceeds a defined AHT threshold. Long calls should be monitored separately as they can skew average metrics.

Average of absolute percentage differences between forecast and actual values. The standard forecast accuracy metric.

ACD capability that routes contacts based on agent skill profiles. Enables more efficient staffing but increases scheduling complexity.

Difference between actual staff available and required staff for an interval. Positive = overstaffed, negative = understaffed.

See Agent Occupancy. Percentage of time agents spend handling contacts vs. being available and idle.

Total number of calls that enter the queue, regardless of whether they are answered, abandoned, or overflow to another queue.

Calls initiated by the contact centre to customers. Subject to TCPA regulations including time-of-day restrictions and DNC compliance.

Hours worked beyond the scheduled shift, typically at premium pay (1.5x or 2x). Used as an intraday lever when actual volume exceeds forecast.

Payment Card Industry Data Security Standard. Version 4.0 requires expanded MFA, enhanced encryption, and continuous monitoring for payment-handling centres.

Time interval with the highest contact volume during the day. Typically determines maximum staffing requirements.

Career archetype based on skill profile: Anchor, Forecaster, Builder, Operator, Translator, Strategist. Each has distinct salary ranges and career paths.

Customer satisfaction survey delivered immediately after a call. Results feed quality scoring and agent performance metrics.

Concept that a single agent being off-phone at the wrong moment can significantly impact service level, especially in smaller centres.

Virtual waiting line where contacts are held until an agent becomes available. Queue metrics include depth, wait time, and abandonment rate.

Live monitoring of agent schedule conformance. RTA displays show current agent state vs. scheduled activity with variance alerts.

Statistical method that identifies relationships between contact volume and business drivers (orders, marketing campaigns, seasonality).

Number of agents needed per interval to meet the service level target, calculated using Erlang C or simulation, before shrinkage adjustment.

Multiplier applied to base staff to account for shrinkage. Calculated as 1 / (1 - Shrinkage Rate). Also called Overlay Factor.

Measure of how well the schedule matches staffing to demand. Calculated as Required FTE / Scheduled FTE × 100.

Agent-initiated swap of shifts with another agent, subject to skill and coverage rules. Reduces schedule change requests to WFM team.

Recurring volume fluctuations tied to calendar periods (holidays, fiscal year-end, back-to-school). Must be captured in forecast model.

Percentage of contacts answered within a target time threshold. The 80/20 standard (80% in 20 seconds) is most common but varies by industry.

Process where agents select preferred shifts based on seniority or performance ranking. Runs quarterly or semi-annually.

Percentage of paid time when agents are unavailable to handle contacts. Includes vacation, sick, training, breaks, meetings, and coaching.

Advanced staffing method that models random call arrivals and varying handle times. More accurate than Erlang C for complex environments.

Set of agents qualified to handle a specific contact type. Agents can belong to multiple skill groups with different proficiency levels.

Contractual commitment to achieve specified performance targets. WFM is responsible for staffing to meet SLA requirements.

Schedule with a long unpaid break in the middle (e.g., 8-12 and 4-8). Used to cover dual peaks without overstaffing mid-day.

Mathematical approach used to determine agent requirements. Erlang C is the most common; simulation and multi-skill models are more advanced.

US federal law regulating telemarketing calls, auto-dialers, and pre-recorded messages. Violations can result in $500-$1,500 per call.

Duration of active conversation between agent and caller, excluding hold time and after-call work.

Private equity firm that took Verint private in 2025. Expected to drive aggressive AI-first repositioning.

Verint gamified scheduling bot. Agents earn FlexCoins by volunteering for understaffed intervals. Reports: 10 changes/agent/month, 24-30% attrition reduction.

Scheduling practice that ensures outbound contacts comply with local time-of-day restrictions (typically 8am-9pm recipient local time).

Historical data period used to train a forecast model. Too long includes irrelevant patterns; too short lacks data. Typical range is 8-52 weeks.

Long-term directional movement in contact volume (increasing, decreasing, or flat). Must be separated from seasonal patterns for accurate forecasting.

Percentage of scheduled time that agents are productive (handling contacts + available). Differs from occupancy in that it includes scheduled non-phone activities.

Technology that offers callers a callback instead of waiting on hold. Smooths volume peaks and improves caller experience.

Prediction of future contact volumes by interval, day, week, or month. The starting point for all WFM staffing decisions.

Intraday offer for agents to leave early when actual volume is below forecast. Reduces overstaffing costs without forced schedule changes.

Forecast accuracy metric that weights errors by actual volume, reducing the impact of low-volume intervals. More stable than MAPE.

Discipline of forecasting contact volumes, scheduling agents, and managing real-time operations to balance service quality, employee experience, and cost.

See ACW (After-Call Work). Time spent on post-contact tasks before the agent returns to available state.

A call where the caller disconnects before reaching an agent. Tracked as a key service quality metric.

Current activity status of an agent: Available, On-Call, ACW, Break, Training, Meeting, etc. Tracked in real-time by RTA.

Ratio of productive time to total logged-in time. Includes both contact handling and scheduled offline activities.

Auto-Regressive Integrated Moving Average. Advanced statistical forecasting method that handles trend and seasonality simultaneously.

Number of contacts arriving per unit of time. Usually expressed as calls per hour or contacts per 30-minute interval.

Time agents spend in non-phone activities like meetings, training, or coaching. Planned auxiliary reduces available phone time.

Accumulated contacts (usually email or chat) waiting to be processed. Backlog management requires different staffing models than real-time queues.

Industry standard or internal target used for comparison. WorkforceAnalyst.com provides benchmarks for occupancy, shrinkage, MAPE, and more.

Analysis of optimal contact times based on answer rates, contact rates, and compliance windows. Critical for outbound campaigns.

Call that receives a busy signal because all trunk lines are occupied. Erlang B calculates the probability of blocking.

External factor that influences contact volume (orders, shipments, marketing emails, product launches). Used in regression-based forecasting.

Feature that allows callers to request a return call instead of waiting on hold. Shifts volume from peak to off-peak intervals.

Temporary volume adjustment in the forecast for planned marketing campaigns, product launches, or promotional events.

Communication medium: voice, chat, email, SMS, social media. Each channel has different staffing models and concurrency assumptions.

Number of simultaneous chat sessions an agent handles. Typical range is 2-4. Higher concurrency reduces required headcount but increases AHT.

Process of moving WFM technology from on-premise infrastructure to cloud-hosted platforms. A major trend across all vendors.

One-on-one development sessions between supervisors and agents. A shrinkage component typically budgeted at 1-2% of scheduled time.

Time period during which outbound contacts are legally permitted. Varies by jurisdiction and regulation (TCPA, state laws).

Facility or virtual operation that handles customer interactions across multiple channels. Also spelled "call center" in US English.

Classification of interactions by channel and purpose (inbound voice, outbound voice, email, chat, social). Each type needs separate forecasting.

Ratio of scheduled staff to required staff per interval. 100% coverage means scheduled exactly meets requirement.

Software that manages customer interactions and data. CRM integration with WFM enables disposition-based volume forecasting.

Metric measuring customer satisfaction with a contact experience. Usually a 1-5 or 1-10 scale collected via post-call survey.

Technology that connects phone systems with computer applications, enabling screen pops, click-to-dial, and automated logging.

Intraday volume distribution showing how contacts spread across intervals within a day. Also called intraday profile or distribution curve.

Weekly volume distribution showing relative volume by day. Monday is typically highest; Saturday/Sunday lowest for business-to-business.

Prediction of future contact demand regardless of staffing capacity. Distinct from offered forecast, which is limited by capacity.

Non-voice contact channels including chat, email, SMS, social media, and messaging apps. Require different staffing models than voice.

Period when systems are unavailable due to maintenance or outages. Must be excluded from forecast training data as anomalies.

See VTO. Voluntary early departure offered to agents when actual volume is below forecast.

Target time to respond to customer emails. Common SLA is 24 hours. WFM schedules email handling during low-voice intervals.

Measure of agent motivation and commitment. High engagement correlates with lower attrition, better quality, and higher productivity.

Transfer of a contact to a higher-skilled agent or supervisor. Escalation rates affect staffing requirements for specialized skill groups.

Day with unusual volume due to a known event (product launch, outage, holiday). Requires special forecast overlay or exclusion.

Scheduling approach that allows variable start/end times based on volume patterns. Improves coverage without increasing headcount.

Real-time supervision of contact centre operations, including agent state monitoring, queue management, and intraday adjustments.

How far into the future the forecast extends. Short-term (1-4 weeks) for scheduling; long-term (3-18 months) for capacity planning.

Agent scheduled for standard full-time hours (typically 37.5-40 hours/week). Counted as 1.0 FTE in staffing models.

Use of game-like mechanics (points, badges, leaderboards) to motivate agent performance. Verint TimeFlex is a WFM-specific example.

SEO strategy optimized for AI-powered search engines and LLM-based answer systems. Uses structured data and hero paragraphs.

See GOS. Probability that a call will be answered within the target service level time.

Total contacts answered and processed by agents. Excludes abandoned calls, blocked calls, and IVR-contained contacts.

Total time an agent is logged into the phone system, including both productive time and available/idle time.

Forecast adjustment for known holidays. May increase (retail) or decrease (B2B) volumes depending on the business.

WFM software hosted by the vendor (SaaS/cloud). Reduced IT overhead compared to on-premise but requires internet connectivity.

Volume forecast broken down by hour. Less granular than interval (15/30-min) forecast but useful for daily planning.

Agent who works both remotely and on-site. WFM must account for different shrinkage patterns and technology requirements.

Contacts initiated by customers (calls, chats, emails). The primary workload managed by WFM forecasting and scheduling.

How daily volume is distributed across intervals (15-min or 30-min periods). A forecast that is accurate daily but wrong at the interval level still causes staffing problems.

See KPI. Measurable operational metric used to evaluate WFM effectiveness.

Repository of information agents use to handle contacts. Well-maintained knowledge bases reduce AHT and improve FCR.

Total cost of agent workforce including wages, benefits, overtime, and employer taxes. Typically 65-75% of total contact centre cost.

Duration the longest-waiting caller has been in queue. A real-time metric used for immediate staffing decisions.

WFM analyst adjustment to system-generated forecast or schedule based on business knowledge not captured in the data.

Quantifiable measurement of operational performance. WFM metrics span forecasting, scheduling, real-time, and quality domains.

Volume prediction at the monthly level. Used for capacity planning, budgeting, and long-range staffing decisions.

Contact centre serving customers across voice, chat, email, and social channels. Each channel requires separate forecasting and staffing.

Contact centre operation spread across multiple physical or virtual locations. Requires coordinated WFM planning across sites.

Customer loyalty metric based on likelihood to recommend (0-10 scale). Promoters (9-10) minus Detractors (0-6) = NPS.

Any scheduled activity that takes an agent away from handling contacts: training, meetings, coaching, team huddles, projects.

Integrated customer experience across all channels with shared context. More advanced than multi-channel, which treats channels independently.

WFM software installed and hosted on the contact centre own servers. Being replaced by cloud solutions across most vendors.

The target occupancy range that balances efficiency with agent sustainability. Industry standard is 78-84%.

System failure causing service interruption. Outage periods must be excluded from forecast training data to avoid contamination.

Having more agents scheduled than required to meet service level. Results in low occupancy and high idle time.

Agent working fewer than full-time hours. Expressed as fractional FTE (e.g., 20 hrs/week = 0.5 FTE). Valuable for peak coverage.

Telephone switching system within an organization. Modern PBX systems are IP-based and integrated with ACD functionality.

Difference between forecast and actual expressed as a percentage: (Actual - Forecast) / Actual × 100.

Process of measuring, evaluating, and improving agent performance through scorecards, coaching, and development plans.

Statistical distribution that models random arrival of events (calls). Foundation of Erlang calculations for staffing.

Outbound calling system that predicts agent availability and dials ahead to minimize idle time between calls.

Hours when agents are actively handling or available for contacts. Equals scheduled hours minus shrinkage.

Process of evaluating agent-customer interactions against defined standards. QA scores feed performance management.

Recording and reviewing agent interactions for coaching and compliance purposes. Modern systems use AI for automated scoring.

Number of contacts currently waiting in queue. A real-time metric indicating immediate staffing status.

Assumption that contacts arrive independently and randomly. Foundation of Erlang C model. Real-world arrivals are approximately random.

Updated forecast produced when actual results significantly deviate from the original prediction. Triggers schedule adjustments.

Agent working from home or a non-office location. Requires adjusted shrinkage assumptions and technology considerations.

Customer calling back within a defined period about the same issue. High repeat rates indicate FCR problems.

Generation of operational dashboards and reports from WFM, ACD, and quality systems. Enables performance tracking and trend analysis.

Average revenue generated per contact interaction. Used in sales-oriented centres to justify staffing investments.

Duration a call rings before agent answers. Not typically counted in AHT but included in caller experience.

Average calculated over a fixed number of recent periods (e.g., 4-week rolling average). Used to smooth volatile data.

Published schedule showing all agent shifts, breaks, and activities for a planning period. Also called the master schedule.

WFM team member responsible for monitoring and managing intraday operations. Entry-level WFM role with high operational impact.

See Adherence. How closely agents follow their assigned schedule timing.

Mathematical process of creating schedules that best match staffing to forecasted demand while respecting labor rules and preferences.

Time span covered by one scheduling cycle. Common periods are weekly, bi-weekly, or monthly.

Modification to base forecast to account for predictable seasonal volume patterns (holidays, summer, fiscal year-end).

Channels that allow customers to resolve issues without agent assistance: IVR, web portal, chatbot, FAQ. Reduces agent-assisted volume.

AI-powered evaluation of customer emotion during interactions. Used for quality scoring and real-time agent coaching.

See SLA. Contractual performance commitment defining target service levels and associated penalties.

Call abandoned within a few seconds (typically < 5s) of entering the queue. Usually excluded from abandonment rate calculations.

Unplanned absence due to illness. A shrinkage component typically budgeted at 2-4% of scheduled time.

Dead air during a call when neither party is speaking. Extended silence may indicate holds, system delays, or agent confusion.

Communication protocol used for VoIP telephony. Enables flexible trunk capacity without physical phone lines.

ACD strategy that matches contacts to agents based on required skills. Enables specialization but complicates scheduling.

See Event Day. Day requiring special forecast treatment due to known events, promotions, or system changes.

Technology that analyzes recorded conversations for keywords, topics, sentiment, and compliance. Enables automated QA.

Difference between required and available agents for an interval. Positive = understaffed, negative = overstaffed.

Team lead responsible for a group of agents. Supervisor time is a shrinkage component as it reduces productive phone time.

Operating hours during which the contact centre accepts contacts. May differ by channel and customer segment.

Agents scheduled above requirement. Some surplus is intentional (buffer for variability); excessive surplus wastes labor budget.

See Supervisor. Agent-level leader responsible for coaching, escalations, and team performance.

Logical partition within a multi-tenant contact centre platform. Each tenant has independent configuration and routing.

Scheduled absence from work. Includes vacation, personal days, and other planned leave. A major shrinkage component.

Sequence of data points collected at consistent time intervals. Contact volume history is a time series used for forecasting.

Unit of AI usage in WorkforceAnalyst.com. WFA AI conversations consume tokens. Plans include monthly token allocations.

Application of mathematical models (Erlang formulas) to telecommunication system design and capacity planning.

Percentage of contacts transferred to another agent or department. High transfer rates increase overall AHT and staffing needs.

Communication line connecting the contact centre to the public telephone network. Erlang B calculates required trunk capacity.

Having fewer agents than required to meet service level. Results in high occupancy, long wait times, and increased abandonment.

Periods when an agent is logged in but cannot receive contacts: ACW, break, meeting, training, system issues.

Planned time off from work. Largest single shrinkage component, typically 4-6% of total scheduled time.

Difference between actual performance and target or forecast. Tracked for volume, AHT, staffing, and service level.

Company that provides WFM technology (NICE, UKG, Verint, Genesys, Calabrio, ADP). Each has different strengths and market position.

Program that captures customer feedback across channels. Insights inform WFM decisions like skill routing and self-service investment.

Number of contacts received or forecasted. The starting point for all WFM staffing calculations.

Time a caller spends in queue before reaching an agent. Directly affected by staffing levels and call arrival patterns.

Large display showing real-time queue and performance metrics. Used by RTA analysts and supervisors for floor management.

Volume prediction at the weekly level. Used for short-term scheduling and weekly planning meetings.

See Day-of-Week Pattern. Relative volume distribution across days of the week.

Scenario modeling that explores the impact of changing assumptions (volume, AHT, shrinkage) on staffing and service level.

Labor law and organizational constraints that govern scheduling: maximum hours, minimum breaks, rest between shifts, overtime limits.

Umbrella term for integrated WFM, quality management, performance management, and analytics capabilities.

Total work to be done in an interval, calculated as Contact Volume × AHT. Expressed in agent-hours or Erlangs.

Average percentage of AHT spent in after-call work. High wrap rates may indicate process complexity or training needs.

Comparison of a metric to the same period in the prior year. Used to identify growth trends and validate forecast assumptions.

WorkforceAnalyst.com six-signal scoring framework: Stability, Change Load, Network Effects, Governance, Demand, plus composite score.

One of six assessment dimensions in the WFA framework. Each signal produces a 0-100 score with buyer persona classification.

WFA framework output that categorizes organizations by their WFM maturity and purchasing patterns: Emergent, Growth, Optimize, Transform.

Quarterly report from WorkforceAnalyst.com covering market trends, salary movements, regulatory updates, and technology shifts.