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Contact Center Voice Assurance

Every agent call is a customer experience. Is your network protecting it?

Garbled audio, jitter, and lag don't just frustrate agents — they push up handle times, drag down CSAT, and cost you customers. MCS proves whether every agent location can deliver clean calls, and keeps proving it around the clock.

The Real Cost

In a contact center, a bad connection isn't an IT ticket. It's a lost customer.

When an agent's audio breaks up, the customer doesn't blame the network. They blame your brand. Calls get repeated, escalated, or abandoned. Handle times climb, first-call resolution falls, and CSAT takes the hit — all because packets didn't arrive on time.

The frustrating part? A speed test says the connection is fine. Speed and call quality are not the same thing. A site can have plenty of bandwidth and still deliver jitter, loss, and delay that make every conversation sound unprofessional.

Jitter and packet loss garble audio, forcing "sorry, can you repeat that?" that inflates handle time and erodes CSAT
Latency above 150ms creates talk-over and awkward pauses that make trained agents sound hesitant and unprofessional
Burst packet loss drops calls mid-conversation, turning resolved interactions into abandoned calls and callbacks
SIP ALG and blocked UDP ports cause registration failures and one-way audio that silently break an entire agent floor
Test, Don't Just Watch

Passive monitoring watches packets. MCS proves the call.

Traditional monitoring tools inspect traffic at a single point and infer that things are probably fine. But a contact center call doesn't succeed because one router looks healthy. It succeeds only when voice packets travel from the agent, across the entire network, to the platform — and back — on time, in order, and without loss. The whole path. Every hop.

MCS proves it the only way that's real: by placing an actual simulated VoIP call between the agent location and the destination, then measuring what really happened. Run a 30-second test every minute, indefinitely, and you have a continuous, true picture of voice health at every agent site — not a proxy metric from one box in the middle.

  • End-to-end measurement: agent location to platform and back, across the real path
  • Real simulated calls, not packet sampling — MOS, jitter, loss, and timing as the caller hears them
  • Run on demand, or every minute, 24/7, for continuous per-location assurance
  • Catch intermittent degradation between shifts, before a room full of agents feels it
Single-point monitoring can tell you a link is up. It can't tell you a remote agent's calls are breaking up right now.
End-to-end testing places a real call and measures MOS, jitter, loss, and on-time arrival the way the customer actually experiences it.
Every minute, indefinitely: a 30-second test loop turns one-off validation into always-on voice assurance per agent location.
When to Validate

The moments contact center voice quality is most at risk

These are the points where agent call quality is most likely to break. MCS lets you catch issues at each one — before a customer does.

CCaaS Migration

Moving to Genesys, Five9, NICE, Talkdesk, Amazon Connect, or RingCentral? Validate every agent site against the platform's requirements before you cut over live calls.

New Sites & BPO Onboarding

Standing up a new floor or bringing on an outsourcing partner? Prove the location and its last mile can carry production voice before agents take a single live call.

Work-From-Home Agents

Home networks are now part of your contact center. Test each remote agent's connection before they handle a customer, and re-check it whenever quality slips.

Seasonal & Peak Scaling

Adding agents for a busy season or campaign? Confirm capacity and quality hold when concurrent call volume spikes — not after the queue backs up.

Per-Shift Assurance

Schedule end-to-end tests as often as every minute, so you catch jitter, congestion, and routing changes between shifts — long before a wave of complaints.

SLA Disputes & Carrier Issues

When a site underperforms, hand the carrier hard end-to-end evidence instead of arguing. Prove exactly where quality degrades, in which direction, and when.

What MCS Measures

The metrics that decide whether every agent call sounds professional

A clean call depends on far more than bandwidth. MCS measures the specific metrics that determine whether real-time voice holds up, end-to-end, from every agent location.

Jitter

Variation in packet arrival time. Even small amounts cause audio distortion and the choppy, robotic voice customers immediately notice.

Packet Loss

Missing packets mean missing audio. MCS measures upstream and downstream loss separately to pinpoint the direction the problem is coming from.

MOS Score

Mean Opinion Score rates call quality on a 1–5 scale. MCS calculates MOS from real network conditions so you know exactly how agent calls will sound.

Round Trip Time

High or erratic latency creates talk-over and awkward pauses. MCS measures min, average, max, and consistency across the full agent-to-platform path.

Packet Ordering

Out-of-order packets force the receiver to reorder or discard them, adding delay and degrading the audio the customer hears.

Distribution Loss

Is loss spread evenly or concentrated in bursts? Burst loss is far more destructive to a live call. MCS shows the pattern, not just the percentage.

SIP & ALG Behavior

MCS measures SIP response times and detects SIP ALG interference — one of the most common and hardest-to-find causes of registration and one-way-audio failures.

UDP Port Availability

Voice platforms require specific UDP port ranges. MCS tests whether those ports are open and reachable through every firewall in the path.

Connection Capacity

A contact center needs sustained capacity for many concurrent calls, not just peak speed. MCS measures real UDP capacity and TCP equilibrium throughput.

How It Works

Validate every agent location, on-prem or at home. Then never stop.

Deploy lightweight test points at contact center floors, BPO partner sites, and individual home-agent connections, then run real voice tests from each one — on demand or continuously, 24/7.

  • Deploy satellites at contact center sites, BPO partners, and remote agent locations in minutes
  • Place real simulated VoIP calls between any two points — agent site to CCaaS platform region
  • Measure MOS, jitter, loss, latency, and packet ordering end-to-end, in both directions
  • Detect SIP ALG interference and blocked UDP ports that silently break registration and audio
  • Schedule tests as often as every minute for continuous, per-location voice assurance
  • Store up to 1 billion results for SLA evidence, trending, and audit
Try a Live VoIP Test
Pre-migration validation: Test every agent site before a CCaaS cutover. Know which locations are ready and which need remediation.
Evidence for carriers and SLAs: When a site fails, show the ISP exactly what's wrong with hard end-to-end data. No more finger-pointing.
Always-on assurance: Automated end-to-end tests run as often as every minute to catch degradation before it reaches a customer.
See It In Action

Prove your contact center network is ready for every call

Book a demo to see MCS validate and continuously assure call quality across every agent location, or download a free trial and start testing your sites today.