Source note · SIP TLS handshake failures on trunks
Direct Routing SIP/TLS from the SBC to the Microsoft SIP proxy uses destination port 5061; traffic from the proxy to the SBC uses whatever port is configured on the SBC.
Checked 2026-09-25
- Vendor
- Microsoft
- Product
- Teams Phone Direct Routing
- Subsystem
- SIP signaling TLS
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-25
- Checked
- 2026-09-25
Sources
- Plan Direct Routing — Microsoft (Microsoft Learn) · tier 2 current vendor documentation · SIP signaling ports, table
Cite this note
APA
WarmTransfer. (2026, September 25). SIP TLS handshake failures on trunks: source note sip-tls-handshake-failures-dr-port-5061. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-tls-handshake-failures-dr-port-5061
BibTeX
@misc{warmtransfer-claim-sip-tls-handshake-failures-dr-port-5061,
title = {SIP TLS handshake failures on trunks: source note sip-tls-handshake-failures-dr-port-5061},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/sip-tls-handshake-failures-dr-port-5061},
note = {Source note sip-tls-handshake-failures-dr-port-5061, checked 2026-09-25}
}