Source note · Unified CM SIP trunk to CUBE configuration
A No Service trunk status reason of local=1 means no OPTIONS responses after all retries over UDP, local=2 means Unified CM could not open a socket to the peer, and local=3 means DNS could not resolve the hostname or SRV.
Checked 2026-09-24
- Vendor
- Cisco
- Product
- Unified Communications Manager
- Subsystem
- SIP trunk
- Deployment
- on-premises
- Region
- not restricted
- Release range
- not stated; published 2018
- Checked
- 2026-09-24
Sources
- Calls through Session Initiation Protocol (SIP) Trunk Failure — Cisco · tier 2 current vendor documentation · Status reasons local=1, local=2, local=3
Cite this note
APA
WarmTransfer. (2026, September 24). Unified CM SIP trunk to CUBE configuration: source note cucm-config-sip-trunk-to-cube-ucm-no-service-reasons. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-config-sip-trunk-to-cube-ucm-no-service-reasons
BibTeX
@misc{warmtransfer-claim-cucm-config-sip-trunk-to-cube-ucm-no-service-reasons,
title = {Unified CM SIP trunk to CUBE configuration: source note cucm-config-sip-trunk-to-cube-ucm-no-service-reasons},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-config-sip-trunk-to-cube-ucm-no-service-reasons},
note = {Source note cucm-config-sip-trunk-to-cube-ucm-no-service-reasons, checked 2026-09-24}
}