Source note · Hold resume and conference signaling
The Microsoft Direct Routing SIP protocol article as of 2026-08-21 contains no guidance on which SDP direction attribute is used for hold or on music on hold.
Checked 2026-09-24
- Vendor
- Microsoft
- Product
- Teams Phone Direct Routing
- Subsystem
- hold
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- page version ms.date 2026-08-21
- Checked
- 2026-09-24
Sources
- Teams Phone System Direct Routing: SIP protocol — Microsoft · tier 2 current vendor documentation · Whole article (absence confirmed across all sections as rendered)
Cite this note
APA
WarmTransfer. (2026, September 24). Hold resume and conference signaling: source note hold-resume-conference-msdr-no-hold-guidance. WarmTransfer. https://warmtransfer.net/knowledge/claims/hold-resume-conference-msdr-no-hold-guidance
BibTeX
@misc{warmtransfer-claim-hold-resume-conference-msdr-no-hold-guidance,
title = {Hold resume and conference signaling: source note hold-resume-conference-msdr-no-hold-guidance},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/hold-resume-conference-msdr-no-hold-guidance},
note = {Source note hold-resume-conference-msdr-no-hold-guidance, checked 2026-09-24}
}