Source note · Calls that drop after about 30 seconds
For OpenSIPS, the blog advises calling fix_nated_contact() in onreply routes only for replies that come directly from endpoints, not from intermediate proxies.
Checked 2026-09-25
- Vendor
- OpenSIPS
- Product
- OpenSIPS
- Subsystem
- script routing
- Deployment
- on-premises
- Region
- not restricted
- Release range
- as of 2017
- Checked
- 2026-09-25
Sources
- Troubleshooting missing ACK in SIP — OpenSIPS Project · tier 4 archived vendor documentation · Solutions section
Cite this note
APA
WarmTransfer. (2026, September 25). Calls that drop after about 30 seconds: source note sip-calls-drop-30-seconds-opensips-fix-nated-contact. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-calls-drop-30-seconds-opensips-fix-nated-contact
BibTeX
@misc{warmtransfer-claim-sip-calls-drop-30-seconds-opensips-fix-nated-contact,
title = {Calls that drop after about 30 seconds: source note sip-calls-drop-30-seconds-opensips-fix-nated-contact},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/sip-calls-drop-30-seconds-opensips-fix-nated-contact},
note = {Source note sip-calls-drop-30-seconds-opensips-fix-nated-contact, checked 2026-09-25}
}