Source note · SIP early offer and delayed offer
In Unified CM the SIP Profile (Device > Device Settings > SIP Profile) has a SIP Rel1XX Options setting that can be set to send PRACK for 1xx messages.
Checked 2026-09-25
- Vendor
- Cisco
- Product
- Unified CM
- Subsystem
- sip-profile
- Deployment
- on-premises
- Region
- not restricted
- Release range
- as documented 2013-05-16
- Checked
- 2026-09-25
Sources
- SIP Reliable Provisional Response on CUBE and CUCM Configuration Example — Cisco Systems · tier 2 current vendor documentation · Configure > CUCM
Cite this note
APA
WarmTransfer. (2026, September 25). SIP early offer and delayed offer: source note sip-early-delayed-offer-tn116086-sip-profile-rel1xx. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-early-delayed-offer-tn116086-sip-profile-rel1xx
BibTeX
@misc{warmtransfer-claim-sip-early-delayed-offer-tn116086-sip-profile-rel1xx,
title = {SIP early offer and delayed offer: source note sip-early-delayed-offer-tn116086-sip-profile-rel1xx},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/sip-early-delayed-offer-tn116086-sip-profile-rel1xx},
note = {Source note sip-early-delayed-offer-tn116086-sip-profile-rel1xx, checked 2026-09-25}
}