VICICarrier
SIP Trunking

SIP termination for contact centers. Not for brochures.

Outbound and inbound voice on a network running 120,000 concurrent US ports and 50,000 international. PDD under 2 seconds. A-level STIR/SHAKEN included.

Two directions

Termination and origination on one network.

Send outbound calls through us. Receive inbound on the same network. STIR/SHAKEN, compliance, one NOC, one invoice.

Termination (outbound)

Least-cost routing across multiple upstream carriers. Optimized US/Canada domestic routes for dialer traffic. Global coverage for international campaigns.

  • STIR/SHAKEN A-attestation on every eligible US/Canada call
  • Multi-carrier failover if a route degrades
  • CPS and concurrent-call limits tuned to your traffic shape
  • IP whitelist or SIP digest authentication

Origination (inbound)

Route DIDs to your PBX or contact-center platform over SIP. Local, toll-free, and international numbers with per-DID SIP routing.

  • Local DIDs in US, Canada, and 80+ countries
  • Toll-free numbers (US/Canada)
  • Per-DID failover destinations
  • E911 address registration included
Published network numbers

Features that show up in your CDRs.

ASR in the high 60s on US domestic. PDD under 2 seconds. 120,000 concurrent US ports during business hours. Numbers most carriers won't publish.

Least-cost routing

Automatic route selection across multiple upstream carriers by destination, cost, and quality.

A-level STIR/SHAKEN

Every eligible call signed at A-attestation. Included in every plan.

Geo-redundant PoPs

Active-active SIP PoPs in US East, US West, and Europe. Connect to the nearest.

Realtime monitoring

ASR, ACD, PDD, post-dial delay — visible in your portal. Alerts on anomalies.

High CPS ceilings

Supports predictive dialer loads. Talk to sales about custom CPS if you need more.

Smart DID routing

Per-DID primary + failover SIP destinations. Time-of-day and geography-based routing.

Test trunk in 24 hours.

Send us your expected traffic pattern. We'll provision a live test trunk on real routes — not a sandbox. Run your actual dialer against it.