Source note · SIP early offer and delayed offer
Under insert-MTP-if-needed Early Offer, Unified CM 8.6(1) needs no MTP for calls arriving on SIP Early Offer trunks, H.323 Fast Start trunks or MGCP trunks, or originating from SIP phones or newer SCCP phones.
Checked 2026-09-25
- Vendor
- Cisco
- Product
- Unified CM
- Subsystem
- media-resources
- 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 > SIP Early Offer support
Cite this note
APA
WarmTransfer. (2026, September 25). SIP early offer and delayed offer: source note sip-early-delayed-offer-sme861-no-mtp-sources. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-early-delayed-offer-sme861-no-mtp-sources
BibTeX
@misc{warmtransfer-claim-sip-early-delayed-offer-sme861-no-mtp-sources,
title = {SIP early offer and delayed offer: source note sip-early-delayed-offer-sme861-no-mtp-sources},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/sip-early-delayed-offer-sme861-no-mtp-sources},
note = {Source note sip-early-delayed-offer-sme861-no-mtp-sources, checked 2026-09-25}
}