Two layers, one mission. Early Media Audio Detection catches signals at the SIP layer — granular response codes, pre-answer announcements, iOS 26 Call Screening events. T+ Insights turns those signals into operational intelligence — DID effectiveness, ASR trending, disposition mapping, recommended actions. Together they form the Precision pillar of high-velocity outbound.
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Every non-connected call carries diagnostic signal — in pre-answer audio, in SIP response codes, in call duration patterns. EMA Detection is the methodology that captures those signals and turns them into actionable dispositions.
Early-media announcements are the audio messages a terminating carrier returns before a call is answered — pre-recorded statements about why a call failed, where it was routed, or whether the number is even reachable. Most dialer infrastructure treats them as silence. Teams Plus maintains a continuously updated catalogue of 200+ recorded pre-answer announcements, mapped to a structured category system that drives downstream disposition logic.
When new announcements are detected on the network, they're reviewed and assigned to one of the categories below. The catalogue is the foundation; the disposition mapping is what makes it operational.
Every announcement in the catalogue is mapped to one of nine operational categories — each tied to a specific recommended action downstream in the disposition layer.
For calls without captured early-media audio, T+ infers disposition from SIP response codes combined with call duration. Each code maps to a specific interpretation, not a generic "call failed" bucket.
Server refuses the call — credentials or active rejection. Treated as Blocked; rotate ANI, suppress 60 days.
Number not routed at that domain. With 0-second duration, indicates Out of Service; remove from dialing.
Device unreachable, unregistered, or overloaded. First 15 attempts = Temporarily OOS; persistent = OOS.
Receiving party busy or line engaged. First occurrence = Blocked; rotate ANI. Multiple consecutive = 15-day pause.
Call cancelled before answer. Sub-1-second pattern = Blocked; longer = Try Again.
Server error or overloaded network. Initial = Temporarily OOS; persistent 503s escalated to carrier support.
Endpoint not reached in time. Short duration + multiple attempts = Out of Service.
Endpoint no longer exists. Short duration + multiple attempts = Out of Service; permanent removal.
Detection isn't useful unless it changes what the dialer does next. Every signal — early-media audio, SIP code, or duration pattern — maps to one of four dispositions, each with a prescribed downstream action.
Call actively rejected by network or end user. SIP 403, 486, or sub-1s 487 patterns. Quick disconnect, no ringing.
Number no longer exists or unroutable. SIP 404, 410, 604, or repeated 480/503/408 with very short durations.
Endpoint unreachable or network overloaded. Early-attempt 480, 500, 503, 408 with short durations.
Ambiguous pattern — mixed codes, 3-15s durations, occasional ringing. Doesn't map cleanly elsewhere.
Apple's iOS 26 Call Screening intercepts unknown callers before the device rings — a signal that looks like a ringing call to most networks and gets misclassified as a no-answer. EMA Detection identifies iOS 26 Call Screening events in real time, in both English and French, so the dispositions reflect what actually happened on the device.
EMA Detection catches the signals. T+ Insights makes them operational — turning per-call dispositions into the DID-level, route-level, and campaign-level analytics that drive answer rates up over time. The customer portal is where this lives.
Per-DID answer-rate performance, disposition distribution, and reputation health over time. Identify which numbers in the pool are performing — and which need to be rotated, paused, or remediated before they drag the campaign down.
Real-time Answer Seizure Ratio across campaigns, carriers, and destination markets. Live MOS scoring, carrier route health, and concurrent session utilization — visible as it happens, not retrospectively.
Per-code, per-carrier, per-route SIP error breakdowns. Isolate which carrier route is generating the 403s; identify the destination market driving 480 patterns. Diagnosis at the granularity where remediation is actually possible.
The surface where dispositions, telemetry, and DID-level analytics are presented to your operations team. EMA catalogue browsing, disposition drill-down, and live campaign health — accessible to the operators who need it.
Call data is ingested into our Snowflake-backed warehouse and surfaced in real time through the customer portal. The same pipeline that powers today's telemetry is the foundation for what's next.
AI-driven disposition classification is on the roadmap — built on the same Snowflake-backed data pipeline that powers today's real-time telemetry, designed to reduce false positives across the four-disposition model as the catalogue grows.
"Early Media Audio Detection is the reason we chose Teams Plus. No other carrier we evaluated offered it at this granularity — and for outbound at our scale, the difference between misclassifying a network intercept as 'no answer' versus a real disposition compounds into millions of wasted attempts per quarter."
Talk to a Teams Plus engineer about EMA Detection and T+ Insights on your outbound operation. No demo. No deck. Just a conversation.