Source note · SIP call forwarding and routing loops

The IOS max-forwards command is also available in voice class tenant mode, and its system keyword, added in IOS 15.6(2)T and IOS XE Denali 16.3.1, makes the tenant fall back to the global setting.

Checked 2026-09-25

Vendor: Cisco
Product: Cisco Unified Border Element
Subsystem: SIP user agent
Deployment: on-premises
Region: not restricted
Release range: 15.6(2)T and IOS XE Denali 16.3.1 onward
Checked: 2026-09-25

Sources

Cisco IOS Voice Command Reference - K through R - map q850-cause through mgcp package-capability (max-forwards) — Cisco Systems · tier 2 current vendor documentation · max-forwards command entry: Command Modes; Command History; Usage Guidelines

Cite this note

APA

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

BibTeX

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

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