Troubleshoot Busyout Dial Peers on CUBE or IOS Voice Gateway

Publisher

Cisco Systems

URL

https://www.cisco.com/c/en/us/support/docs/unified-communications/unified-border-element/217860-troubleshooting-busyout-dial-peers-on-cu.html

Published

2025-07-24

Updated

unknown

Accessed

2026-09-24

HTTP status

200

License

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

Source notes citing this source

• On some IOS XE releases (reported from 16.12.6 / 17.3.5 / 17.6.1), an outbound dial peer configured with both session server-group and sip options-keepalive is busied out and CUBE answers the caller with 503 instead of sending an INVITE; Cisco tracks this as CSCvx92872. in context

Cite this source record

APA

WarmTransfer. (2025, July 24). Troubleshoot Busyout Dial Peers on CUBE or IOS Voice Gateway. WarmTransfer. https://warmtransfer.net/knowledge/sources/cisco-technote-217860-busyout-dial-peers

BibTeX

@misc{warmtransfer-cisco-technote-217860-busyout-dial-peers,
  title  = {Troubleshoot Busyout Dial Peers on CUBE or IOS Voice Gateway},
  author = {{WarmTransfer}},
  year   = {2025},
  url    = {https://warmtransfer.net/knowledge/sources/cisco-technote-217860-busyout-dial-peers},
  note   = {Cisco Systems, accessed 2026-09-24}
}