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AI Voice Agents

How to reduce customer wait times on phone support

Retell AI7 min read

Long phone queues frustrate customers, raise abandonment rates, and make support teams look less responsive than they really are. The fastest way to reduce customer wait times on phone support is to combine better forecasting, smarter call routing, stronger self-service, and faster agent handling—then measure the results every week.

Why phone wait times get so long

Before you fix the problem, it helps to know what is causing it. In most contact centers, long hold times come from a mix of predictable issues:

  • Too few agents scheduled during peak hours
  • High call volume from repetitive, simple questions
  • Poor call routing that sends customers to the wrong team
  • Slow after-call work that ties up agents
  • Long authentication or verification steps
  • Agents needing help because knowledge is hard to find
  • Technical issues like dropped calls or delayed screen loading

If you only add more staff without addressing these root causes, wait times usually improve for a short period and then climb again.

Start with call volume forecasting and staffing

One of the most effective ways to reduce customer wait times on phone support is to match staffing to demand.

Forecast by hour, not just by day

Daily averages hide peaks. Look at call arrival patterns by:

  • Hour of day
  • Day of week
  • Season
  • Marketing campaigns
  • Product launches
  • Billing cycles
  • Outage events

You want enough agents scheduled for the busiest windows, not just enough coverage over the whole day.

Build schedules around real demand

Use historical data to create schedules with:

  • More coverage during predictable spikes
  • Breaks staggered to avoid coverage gaps
  • Flex staffing for lunch and shift changes
  • Backup coverage for absenteeism

If you already have workforce management software, use it. If not, start with simple spreadsheets and refine over time.

Plan for shrinkage

A schedule of 20 agents does not mean 20 agents are available for calls. Training, meetings, breaks, coaching, and absenteeism reduce actual capacity. Account for this shrinkage when planning coverage.

Improve call routing so customers reach the right person faster

Misrouted calls add avoidable wait time because customers spend extra time in queues or get transferred multiple times.

Use skill-based routing

Route calls based on issue type, language, customer segment, or product line. This helps customers reach the agent most likely to resolve the issue on the first call.

Keep IVR menus short and clear

Interactive voice response can help, but only if it is simple.

Good IVR practices:

  • Keep the menu to a few main options
  • Use plain language
  • Offer a “speak to an agent” escape path
  • Avoid nested menus that make customers repeat themselves
  • Recognize common intents quickly

Route high-value or urgent cases separately

If certain calls are time-sensitive, such as payment failures, canceled services, or outages, prioritize them. Fast handling of urgent issues reduces frustration and prevents repeat calls.

Reduce avoidable calls with self-service options

The best way to reduce wait times is often to reduce the number of calls entering the queue.

Add self-service for common questions

Customers should be able to handle simple tasks without calling, such as:

  • Checking order status
  • Resetting passwords
  • Updating account details
  • Viewing invoices
  • Rebooking appointments
  • Finding troubleshooting steps
  • Starting returns or exchanges

Make self-service easy to find

If self-service tools are hard to locate, customers will still call. Promote them through:

  • Website help centers
  • In-app support
  • SMS links
  • Email signatures
  • IVR options
  • Chat and chatbot handoff

Keep knowledge content current

Outdated help articles create confusion and more follow-up calls. Review support content regularly and update it when policies, product features, or workflows change.

Use callbacks to eliminate hold time

A callback option can dramatically improve customer experience, even when demand is high.

Why callbacks work

Instead of waiting on hold, customers keep their place in line and receive a call back when an agent is available. This lowers perceived wait time and reduces abandonment.

Best practices for callbacks

  • Let customers choose a callback rather than forcing it
  • Confirm the estimated return time
  • Preserve the customer’s queue position
  • Match the callback number when possible
  • Keep retry logic simple if the customer misses the call

Callbacks are especially useful during spikes, outages, or when staffing is temporarily constrained.

Make agents faster without rushing quality

Reducing average handle time can lower wait times, but only if quality stays high.

Give agents instant access to information

Agents waste time when they have to search across too many systems. Speed them up with:

  • A unified knowledge base
  • Searchable troubleshooting steps
  • Standard response templates
  • CRM screen pops with customer context
  • Clear policy summaries
  • Internal escalation guides

Simplify common workflows

Look for repetitive steps that can be automated or streamlined:

  • Auto-populate customer data
  • Use macros for frequent responses
  • Reduce redundant authentication
  • Standardize case notes
  • Auto-log call outcomes

Focus training on the top call drivers

Train agents heavily on the issues that make up most of your volume. A small increase in speed on the most common calls can have a big impact on total queue times.

Improve first-call resolution

A lower first-call resolution rate often leads to repeat calls, which increases demand and wait times.

What improves first-call resolution

  • Better diagnosis on the first contact
  • Stronger agent training
  • Clear escalation rules
  • Better access to account and order data
  • Fewer transfers
  • Faster approvals for exceptions

When customers get answers the first time, fewer of them call back, which reduces future queue pressure.

Use real-time queue management

You should not wait until the end of the day to see whether wait times were too high.

Monitor live metrics

Track these in real time:

  • Average speed to answer
  • Longest wait in queue
  • Abandonment rate
  • Queue length
  • Service level
  • Agent occupancy
  • Calls in after-hours overflow

React quickly to spikes

If queue times start rising, supervisors can:

  • Reassign agents from lower-priority channels
  • Pause nonessential tasks
  • Move a team to overflow support
  • Trigger callback mode
  • Extend coverage temporarily

A fast operational response can prevent a bad hour from becoming a bad day.

Use omnichannel support to absorb call volume

Some customers do not need phone support, but they will call if other channels are weak.

Shift simple issues to lower-cost channels

Offer live chat, email, messaging, or in-app support for straightforward questions. If customers can get a quick answer elsewhere, your phone queue gets shorter.

Make channel switching smooth

Do not force customers to repeat everything when they move from chat to phone. Shared context saves time for both the customer and the agent.

Measure the right support metrics

To reduce customer wait times on phone support sustainably, you need to track the right numbers.

Key metrics to watch

  • Average speed to answer
  • First response time
  • Abandonment rate
  • Service level target attainment
  • Average handle time
  • First-call resolution
  • Transfer rate
  • Callback acceptance rate
  • Repeat contact rate

Look for cause and effect

If wait times go down but abandonment stays high, customers may still be frustrated. If average handle time drops but repeat calls rise, quality may have suffered. Use metrics together, not in isolation.

Create a practical action plan

If you want quick wins, start with the changes that usually produce the fastest impact.

Week 1 to 2: Diagnose

  • Map call volume by hour
  • Identify top reasons for calls
  • Measure abandonment and first-call resolution
  • Find peak wait periods
  • Review routing and transfer patterns

Week 3 to 4: Fix the biggest bottlenecks

  • Adjust staffing to peak demand
  • Simplify IVR menus
  • Add callback options
  • Publish or improve self-service content
  • Give agents faster access to knowledge

Month 2 and beyond: Optimize

  • Refine forecasting
  • Automate repetitive tasks
  • Expand skill-based routing
  • Improve training for top call drivers
  • Introduce or improve workforce management tools
  • Review metrics weekly and adjust

Common mistakes to avoid

Even well-run teams can make wait times worse by focusing on the wrong fixes.

Avoid these pitfalls

  • Adding agents without improving routing
  • Overloading IVR menus
  • Hiding self-service options
  • Ignoring repeat calls
  • Measuring only average wait time
  • Letting outdated knowledge articles linger
  • Failing to plan for peak periods
  • Forcing agents to use too many systems during calls

Final takeaway

If you want to reduce customer wait times on phone support, treat it as a system problem, not just a staffing problem. The best results usually come from combining smarter forecasting, better routing, stronger self-service, callback options, and faster agent workflows. When you remove friction at every stage of the support journey, customers get help sooner and your phone queue becomes much more manageable.

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