When digits are dialed one by one and Unified CM cannot yet decide which pattern applies because a longer (possibly variable-length) match exists, T302 must expire before it selects the best route.
Checked 2026-10-02
Because a potential longer match (could be variable length) exists, the T302 inter-digit timeout has to expire before Unified CM selects the best route and routes the call.
- Vendor
- Cisco
- Product
- Cisco Unified Communications Manager
- Subsystem
- digit analysis
- Deployment
- on-premises
- Region
- not restricted
- Release range
- 12.x preferred architecture
- Checked
- 2026-10-02
Sources
- Preferred Architecture for Cisco Collaboration 12.x Enterprise On-Premises Deployments, CVD - Call Control — Cisco Systems · tier 2 current vendor documentation · Service Parameter Settings (T302 Timer)
Cite this note
APA
WarmTransfer. (2026, October 2). Troubleshooting calls that wait several seconds before routing in Unified CM: source note cucm-interdigit-delay-troubleshooting-pa-t302-deterministic. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-interdigit-delay-troubleshooting-pa-t302-deterministic
BibTeX
@misc{warmtransfer-claim-cucm-interdigit-delay-troubleshooting-pa-t302-deterministic,
title = {Troubleshooting calls that wait several seconds before routing in Unified CM: source note cucm-interdigit-delay-troubleshooting-pa-t302-deterministic},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-interdigit-delay-troubleshooting-pa-t302-deterministic},
note = {Source note cucm-interdigit-delay-troubleshooting-pa-t302-deterministic, checked 2026-10-02}
}