Source note · Calls going straight to voicemail
In Unified CM, leaving a line's No Answer Ring Duration empty makes the line use the Cisco Unified Communications Manager Forward No Answer Timer service parameter instead.
Checked 2026-09-25
Leave this field empty if you want to set the value in the Cisco Unified Communications Manager Forward No Answer Timer service parameter.
- Vendor
- Cisco
- Product
- Unified Communications Manager
- Subsystem
- call forwarding timers
- Deployment
- on-premises
- Region
- not restricted
- Release range
- Release 15 and SUs
- Checked
- 2026-09-25
Sources
- Feature Configuration Guide for Cisco Unified Communications Manager, Release 15 and SUs - Call Forwarding — Cisco Systems · tier 2 current vendor documentation · Call Forwarding configuration fields; No Answer Ring Duration field description
Cite this note
APA
WarmTransfer. (2026, September 25). Calls going straight to voicemail: source note calls-straight-to-voicemail-ucm-ring-duration-blank. WarmTransfer. https://warmtransfer.net/knowledge/claims/calls-straight-to-voicemail-ucm-ring-duration-blank
BibTeX
@misc{warmtransfer-claim-calls-straight-to-voicemail-ucm-ring-duration-blank,
title = {Calls going straight to voicemail: source note calls-straight-to-voicemail-ucm-ring-duration-blank},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/calls-straight-to-voicemail-ucm-ring-duration-blank},
note = {Source note calls-straight-to-voicemail-ucm-ring-duration-blank, checked 2026-09-25}
}