Source note · SIP 503 and trunk out-of-service failures
Twilio Elastic SIP Trunking allows 1 call per second per trunk per region by default for termination; trunk-level CPS of 1 to 5 is self-service and above 5 requires Twilio sales.
Checked 2026-09-25
- Vendor
- Twilio
- Product
- Elastic SIP Trunking
- Subsystem
- calls per second limits
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-25
- Checked
- 2026-09-25
Sources
- Calls per Second (CPS) — Trunking Termination — Twilio · tier 2 current vendor documentation · Default CPS and increase sections
Cite this note
APA
WarmTransfer. (2026, September 25). SIP 503 and trunk out-of-service failures: source note sip-503-trunk-failures-twilio-cps-default. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-503-trunk-failures-twilio-cps-default
BibTeX
@misc{warmtransfer-claim-sip-503-trunk-failures-twilio-cps-default,
title = {SIP 503 and trunk out-of-service failures: source note sip-503-trunk-failures-twilio-cps-default},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/sip-503-trunk-failures-twilio-cps-default},
note = {Source note sip-503-trunk-failures-twilio-cps-default, checked 2026-09-25}
}