Source note · SIP early offer and delayed offer
In Unified CM 8.6(1), SIP trunks used Delayed Offer (INVITE without SDP) by default.
Checked 2026-09-25
Cisco Unified CM SIP trunks support Delayed Offer (Invite without SDP) by default.
- Vendor
- Cisco
- Product
- Unified CM
- Subsystem
- sip-trunk
- Deployment
- on-premises
- Region
- not restricted
- Release range
- 8.6(1)
- Checked
- 2026-09-25
Sources
- Cisco Unified Communications Manager Trunks (Session Management Edition deployment guide 8.6(1)) — Cisco · tier 2 current vendor documentation · SIP Delayed Offer and Early Offer
Cite this note
APA
WarmTransfer. (2026, September 25). SIP early offer and delayed offer: source note sip-early-delayed-offer-sme861-do-default. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-early-delayed-offer-sme861-do-default
BibTeX
@misc{warmtransfer-claim-sip-early-delayed-offer-sme861-do-default,
title = {SIP early offer and delayed offer: source note sip-early-delayed-offer-sme861-do-default},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/sip-early-delayed-offer-sme861-do-default},
note = {Source note sip-early-delayed-offer-sme861-do-default, checked 2026-09-25}
}