Source note · SIP 503 and trunk out-of-service failures
AudioCodes Proxy Keep-Alive can use OPTIONS or REGISTER; Proxy Keep-Alive Time defaults to 60 seconds, and Success Detection Retries (default 1) with Success Detection Interval (default 10 seconds) set how many consecutive successes bring an offline proxy back online.
Checked 2026-09-25
- Vendor
- AudioCodes
- Product
- Mediant SBC
- Subsystem
- Proxy Set keep-alive
- Deployment
- on-premises, cloud-hosted
- Region
- not restricted
- Release range
- User's Manual 7.4
- Checked
- 2026-09-25
Sources
- Configuring Proxy Sets - Mediant Software SBC User's Manual Version 7.4 — AudioCodes · tier 2 current vendor documentation · Proxy Sets table, parameters 'Proxy Keep-Alive', 'Proxy Keep-Alive Time', 'Success Detection Retries', 'Success Detection Interval'
Cite this note
APA
WarmTransfer. (2026, September 25). SIP 503 and trunk out-of-service failures: source note sip-503-trunk-failures-ac-keepalive-timers. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-503-trunk-failures-ac-keepalive-timers
BibTeX
@misc{warmtransfer-claim-sip-503-trunk-failures-ac-keepalive-timers,
title = {SIP 503 and trunk out-of-service failures: source note sip-503-trunk-failures-ac-keepalive-timers},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/sip-503-trunk-failures-ac-keepalive-timers},
note = {Source note sip-503-trunk-failures-ac-keepalive-timers, checked 2026-09-25}
}