Source note · SIP call forwarding and routing loops

On Cisco IOS and IOS XE gateways, dial-peer groups can pin the exact outbound dial-peer according to the inbound dial-peer that matched, which constrains where a call received on a trunk can be sent.

Checked 2026-09-25

Vendor: Cisco
Product: Cisco Unified Border Element
Subsystem: dial-peer routing
Deployment: on-premises
Region: not restricted
Release range: current as of 2026-09-25
Checked: 2026-09-25

Sources

Understand IOS and IOS XE Call Routing — Cisco Systems · tier 2 current vendor documentation · Dial-Peer Groups section

Cite this note

APA

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

BibTeX

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

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