Source note · CUCM CallManager SDL trace files
Inbound SIP messages appear in CallManager traces on a SIPTcp - wait_SdlReadRsp line of the form Incoming SIP TCP message from <ip> on port <port> index <n> with <bytes> bytes, followed by the SIP message.
Checked 2026-09-22
Incoming SIP TCP message from 10.127.227.7 on port 55522 index 16 with 1182 bytes
- Vendor
- Cisco
- Product
- Unified Communications Manager
- Subsystem
- SIP signalling in SDL trace
- Deployment
- on-premises
- Region
- not restricted
- Release range
- 11.5 examples
- Checked
- 2026-09-22
Sources
- Native Call Queueing Enhancement in CUCM 11.5 — Cisco Systems · tier 2 current vendor documentation · Log Analysis (sample traces)
Cite this note
APA
WarmTransfer. (2026, September 22). CUCM CallManager SDL trace files: source note cucm-sdl-trace-files-sip-incoming-line. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-sdl-trace-files-sip-incoming-line
BibTeX
@misc{warmtransfer-claim-cucm-sdl-trace-files-sip-incoming-line,
title = {CUCM CallManager SDL trace files: source note cucm-sdl-trace-files-sip-incoming-line},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-sdl-trace-files-sip-incoming-line},
note = {Source note cucm-sdl-trace-files-sip-incoming-line, checked 2026-09-22}
}