Source note · SIP call forwarding and routing loops

When a call in Unified CM 15 reaches the forwarding maximum hop count, it goes to the original called party's MAP target if one is configured; otherwise it is rejected and the caller hears reorder tone.

Checked 2026-09-25

Vendor: Cisco
Product: Unified Communications Manager
Subsystem: call forwarding
Deployment: on-premises
Region: not restricted
Release range: Release 15 and SUs
Checked: 2026-09-25

Sources

Feature Configuration Guide for Cisco Unified Communications Manager, Release 15 and SUs - Call Forwarding — Cisco Systems · tier 2 current vendor documentation · Call Forwarding chapter, paragraph on reaching the maximum hop count

Cite this note

APA

WarmTransfer. (2026, September 25). SIP call forwarding and routing loops: source note sip-forwarding-loops-cucm-max-hop-reached. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-forwarding-loops-cucm-max-hop-reached

BibTeX

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

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