Source note · SIP call forwarding and routing loops
Microsoft's Direct Routing SIP article cites RFC 4244 for History-Info, although RFC 7044 obsoleted RFC 4244 in February 2014.
Checked 2026-09-25
- Vendor
- Microsoft
- Product
- Teams Phone Direct Routing
- Subsystem
- History-Info
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-25
- Checked
- 2026-09-25
Sources
- Teams Phone System Direct Routing: SIP protocol — Microsoft · tier 2 current vendor documentation · History-Info header section, first paragraph
Cite this note
APA
WarmTransfer. (2026, September 25). SIP call forwarding and routing loops: source note sip-forwarding-loops-teams-dr-cites-4244. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-forwarding-loops-teams-dr-cites-4244
BibTeX
@misc{warmtransfer-claim-sip-forwarding-loops-teams-dr-cites-4244,
title = {SIP call forwarding and routing loops: source note sip-forwarding-loops-teams-dr-cites-4244},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/sip-forwarding-loops-teams-dr-cites-4244},
note = {Source note sip-forwarding-loops-teams-dr-cites-4244, checked 2026-09-25}
}