Source note · SIP early offer and delayed offer
Cisco's CUCM-to-CUBE configuration example (2014) states that almost all service providers require Early Offer SIP calls.
Checked 2026-09-25
Almost all of the providers require Early Offer SIP calls.
- Vendor
- Cisco
- Product
- Unified CM
- Subsystem
- pstn-sip-trunk
- Deployment
- on-premises
- Region
- not restricted
- Release range
- as documented 2014-01-22
- Checked
- 2026-09-25
Sources
- Configure CUCM to CUBE Integration - Configuration Example — Cisco · tier 2 current vendor documentation · Configure > CUBE voice service voip configuration (early-offer forced discussion)
Cite this note
APA
WarmTransfer. (2026, September 25). SIP early offer and delayed offer: source note sip-early-delayed-offer-tn117300-providers-require-eo. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-early-delayed-offer-tn117300-providers-require-eo
BibTeX
@misc{warmtransfer-claim-sip-early-delayed-offer-tn117300-providers-require-eo,
title = {SIP early offer and delayed offer: source note sip-early-delayed-offer-tn117300-providers-require-eo},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/sip-early-delayed-offer-tn117300-providers-require-eo},
note = {Source note sip-early-delayed-offer-tn117300-providers-require-eo, checked 2026-09-25}
}