Telnyx rejects traffic over the real-time CPS limit with SIP 503 and reason phrase 'CPS Limit Reached (P05)'.

Checked 2026-10-02

CPS Limit Reached (P05)
Vendor
Telnyx
Product
Elastic SIP Trunking
Subsystem
real-time CPS limit
Deployment
multi-tenant
Region
not restricted
Release range
current as of 2026-10-02
Checked
2026-10-02

Sources

Cite this note

APA

WarmTransfer. (2026, October 2). Calls-per-second limits on SIP trunks and dialers: source note sip-trunk-cps-limits-telnyx-503-p05. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-trunk-cps-limits-telnyx-503-p05

BibTeX

@misc{warmtransfer-claim-sip-trunk-cps-limits-telnyx-503-p05,
  title  = {Calls-per-second limits on SIP trunks and dialers: source note sip-trunk-cps-limits-telnyx-503-p05},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/sip-trunk-cps-limits-telnyx-503-p05},
  note   = {Source note sip-trunk-cps-limits-telnyx-503-p05, checked 2026-10-02}
}

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