Source note · Troubleshooting Expressway Mobile and Remote Access
An Expressway-E log of TCP Connection Closed with Reason 'Idle countdown expired' on 5061 indicates firewall SIP inspection or ALG interfering; disable SIP inspection for MRA traffic.
Checked 2026-10-01
- Vendor
- Cisco
- Product
- Cisco Expressway
- Subsystem
- firewall
- Deployment
- on-premises
- Region
- not restricted
- Release range
- technote updated 2024-09-03
- Checked
- 2026-10-01
Sources
- Resolve Collaboration Edge Most Common Issues — Cisco Systems · tier 2 current vendor documentation · Registration Issues > Idle countdown expired
Cite this note
APA
WarmTransfer. (2026, October 1). Troubleshooting Expressway Mobile and Remote Access: source note expressway-mra-troubleshooting-sip-alg-idle-countdown. WarmTransfer. https://warmtransfer.net/knowledge/claims/expressway-mra-troubleshooting-sip-alg-idle-countdown
BibTeX
@misc{warmtransfer-claim-expressway-mra-troubleshooting-sip-alg-idle-countdown,
title = {Troubleshooting Expressway Mobile and Remote Access: source note expressway-mra-troubleshooting-sip-alg-idle-countdown},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/expressway-mra-troubleshooting-sip-alg-idle-countdown},
note = {Source note expressway-mra-troubleshooting-sip-alg-idle-countdown, checked 2026-10-01}
}