Source note · SIP call forwarding and routing loops

The Expressway X15.2 guide advises setting Call loop detection mode to On so that search requests do not circulate unnecessarily when hop counts are higher than needed.

Checked 2026-09-25

Vendor: Cisco
Product: Expressway
Subsystem: call routing and signaling
Deployment: on-premises
Region: not restricted
Release range: X15.2
Checked: 2026-09-25

Sources

Cisco Expressway Administrator Guide (X15.2) - Dial Plan and Call Processing — Cisco Systems · tier 2 current vendor documentation · Configuring Call Routing and Signaling: Call loop detection mode

Cite this note

APA

WarmTransfer. (2026, September 25). SIP call forwarding and routing loops: source note sip-forwarding-loops-exwy-loop-mode-on. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-forwarding-loops-exwy-loop-mode-on

BibTeX

@misc{warmtransfer-claim-sip-forwarding-loops-exwy-loop-mode-on,
  title  = {SIP call forwarding and routing loops: source note sip-forwarding-loops-exwy-loop-mode-on},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/sip-forwarding-loops-exwy-loop-mode-on},
  note   = {Source note sip-forwarding-loops-exwy-loop-mode-on, checked 2026-09-25}
}

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