Source note · SIP trace capture and ladder analysis
If a Direct Routing Microsoft response code starts with 560, the final SIP response was generated by the SBC and the last three digits are that SIP code (for example 560403 means the SBC sent 403); any other prefix means a Microsoft service generated it.
Checked 2026-09-23
- Vendor
- Microsoft
- Product
- Microsoft Teams Phone Direct Routing
- Subsystem
- response codes
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-23
- Checked
- 2026-09-23
Sources
- Microsoft and SIP response codes — Microsoft · tier 2 current vendor documentation · Direct Routing error codes
Cite this note
APA
WarmTransfer. (2026, September 23). SIP trace capture and ladder analysis: source note sip-trace-analysis-teams-560-prefix. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-trace-analysis-teams-560-prefix
BibTeX
@misc{warmtransfer-claim-sip-trace-analysis-teams-560-prefix,
title = {SIP trace capture and ladder analysis: source note sip-trace-analysis-teams-560-prefix},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/sip-trace-analysis-teams-560-prefix},
note = {Source note sip-trace-analysis-teams-560-prefix, checked 2026-09-23}
}