Source note · SIP 488 and codec negotiation failures
Unified CM allocates transcoders and MTPs from the Media Resource Group List assigned to the device or its device pool, in priority order.
Checked 2026-09-25
- Vendor
- Cisco
- Product
- Unified Communications Manager
- Subsystem
- media resources
- Deployment
- on-premises, dedicated-instance
- Region
- not restricted
- Release range
- 15 and SUs
- Checked
- 2026-09-25
Sources
- System Configuration Guide for Cisco Unified Communications Manager Release 15 and SUs - Configure Media Resources — Cisco Systems · tier 2 current vendor documentation · Configure Media Resources - Media Resource Group Lists
Cite this note
APA
WarmTransfer. (2026, September 25). SIP 488 and codec negotiation failures: source note sip-488-codec-failures-cucm-mrgl-order. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-488-codec-failures-cucm-mrgl-order
BibTeX
@misc{warmtransfer-claim-sip-488-codec-failures-cucm-mrgl-order,
title = {SIP 488 and codec negotiation failures: source note sip-488-codec-failures-cucm-mrgl-order},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/sip-488-codec-failures-cucm-mrgl-order},
note = {Source note sip-488-codec-failures-cucm-mrgl-order, checked 2026-09-25}
}