On the Oracle Communications SBC, invite-expire (Timer C) defaults to 180 seconds after a provisional response; if no final response arrives the INVITE is cancelled, and the timer restarts on each further provisional response.

Checked 2026-10-02

Vendor
Oracle
Product
Oracle Communications Session Border Controller
Subsystem
global SIP timers
Deployment
on-premises
Region
not restricted
Release range
9.1.0
Checked
2026-10-02

Sources

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-oracle-invite-expire-timer-c. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-408-timeout-troubleshooting-oracle-invite-expire-timer-c

BibTeX

@misc{warmtransfer-claim-sip-408-timeout-troubleshooting-oracle-invite-expire-timer-c,
  title  = {Troubleshooting SIP 408 Request Timeout and calls that get no response: source note sip-408-timeout-troubleshooting-oracle-invite-expire-timer-c},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/sip-408-timeout-troubleshooting-oracle-invite-expire-timer-c},
  note   = {Source note sip-408-timeout-troubleshooting-oracle-invite-expire-timer-c, checked 2026-10-02}
}

Read in context