Troubleshoot Most Common Issues for Business to Business Calls Through Expressway

Publisher

Cisco Systems

URL

https://www.cisco.com/c/en/us/support/docs/unified-communications/expressway/213863-troubleshoot-most-common-issues-for-busi.html

Published

2018-10-12

Updated

unknown

Accessed

2026-09-22

HTTP status

200

License

Cisco copyright; all rights reserved; no-redistribution; short excerpts and locators only

Source notes citing this source

• When an inbound SIP message exceeds SIP Max Incoming Message Size, the CallManager trace shows SIPTcp - Ignoring large message ... Only allow up to <n> bytes. Resetting connection. in context
• SIP Max Incoming Message Size defaulted to 5000 bytes in CUCM 8.6 and earlier and 11000 bytes from 9.x; clusters upgraded from 8.x or earlier keep 5000. in context

Cite this source record

APA

WarmTransfer. (2018, October 12). Troubleshoot Most Common Issues for Business to Business Calls Through Expressway. WarmTransfer. https://warmtransfer.net/knowledge/sources/cisco-technote-213863-b2b-expressway

BibTeX

@misc{warmtransfer-cisco-technote-213863-b2b-expressway,
  title  = {Troubleshoot Most Common Issues for Business to Business Calls Through Expressway},
  author = {{WarmTransfer}},
  year   = {2018},
  url    = {https://warmtransfer.net/knowledge/sources/cisco-technote-213863-b2b-expressway},
  note   = {Cisco Systems, accessed 2026-09-22}
}