Source note · SIP trunk redundancy and failover design
The Unified CM 8.6(1) guide suggests a DNS SRV trunk destination when SRV host prioritization or weighting is needed, when more than 16 addresses are needed, or when the far end requires SRV resolution.
Checked 2026-09-25
- Vendor
- Cisco
- Product
- Unified Communications Manager
- Subsystem
- SIP trunk destinations
- Deployment
- on-premises
- Region
- not restricted
- Release range
- 8.6(1)
- Checked
- 2026-09-25
Sources
- Cisco Unified Communications Manager Trunks (Session Management Edition deployment guide 8.6(1)) — Cisco · tier 2 current vendor documentation · DNS SRV destinations section
Cite this note
APA
WarmTransfer. (2026, September 25). SIP trunk redundancy and failover design: source note sip-trunk-redundancy-design-cucm-srv-when. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-trunk-redundancy-design-cucm-srv-when
BibTeX
@misc{warmtransfer-claim-sip-trunk-redundancy-design-cucm-srv-when,
title = {SIP trunk redundancy and failover design: source note sip-trunk-redundancy-design-cucm-srv-when},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/sip-trunk-redundancy-design-cucm-srv-when},
note = {Source note sip-trunk-redundancy-design-cucm-srv-when, checked 2026-09-25}
}