Source note · DNS SRV and service discovery for SIP
In Unified CM Release 15 a SIP trunk can have up to 16 destination addresses as IPv4 or IPv6 addresses or FQDNs, or a single DNS SRV record.
Checked 2026-09-24
You can assign up to 16 different destination addresses for a SIP trunk, using IPv4 or IPv6 addressing, fully qualified domain names, or a single DNS SRV record.
- Vendor
- Cisco
- Product
- Unified Communications Manager
- Subsystem
- SIP trunk
- Deployment
- on-premises
- Region
- not restricted
- Release range
- Release 15 and SUs
- Checked
- 2026-09-24
Sources
- System Configuration Guide for Cisco Unified Communications Manager Release 15 and SUs - Configure Trunks — Cisco · tier 2 current vendor documentation · Configure Trunks, SIP Trunk Overview
Cite this note
APA
WarmTransfer. (2026, September 24). DNS SRV and service discovery for SIP: source note dns-srv-voice-cucm15-trunk-destinations. WarmTransfer. https://warmtransfer.net/knowledge/claims/dns-srv-voice-cucm15-trunk-destinations
BibTeX
@misc{warmtransfer-claim-dns-srv-voice-cucm15-trunk-destinations,
title = {DNS SRV and service discovery for SIP: source note dns-srv-voice-cucm15-trunk-destinations},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/dns-srv-voice-cucm15-trunk-destinations},
note = {Source note dns-srv-voice-cucm15-trunk-destinations, checked 2026-09-24}
}