On Cisco IOS/IOS XE voice gateways and CUBE, the sip-ua 'timers trying' command sets how long the SIP UA waits for a 100 response to an INVITE; default 500 ms, range 100 to 1000 ms.
Checked 2026-10-02
- Vendor
- Cisco
- Product
- Cisco Unified Border Element
- Subsystem
- sip-ua timers
- Deployment
- on-premises
- Region
- not restricted
- Release range
- IOS / IOS XE voice command reference current as of 2026-10-02
- Checked
- 2026-10-02
Sources
- Cisco IOS Voice Command Reference - T through Z - timeouts call-disconnect through timing clear-wait — Cisco Systems · tier 2 current vendor documentation · Command entry 'timers trying'
Cite this note
APA
WarmTransfer. (2026, October 2). Troubleshooting SIP 408 Request Timeout and calls that get no response: source note sip-408-timeout-troubleshooting-cisco-timers-trying-500ms. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-408-timeout-troubleshooting-cisco-timers-trying-500ms
BibTeX
@misc{warmtransfer-claim-sip-408-timeout-troubleshooting-cisco-timers-trying-500ms,
title = {Troubleshooting SIP 408 Request Timeout and calls that get no response: source note sip-408-timeout-troubleshooting-cisco-timers-trying-500ms},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/sip-408-timeout-troubleshooting-cisco-timers-trying-500ms},
note = {Source note sip-408-timeout-troubleshooting-cisco-timers-trying-500ms, checked 2026-10-02}
}