Cisco IOS Voice Command Reference - T through Z - voice-class sip error-code-override through vxml version 2.0

Publisher

Cisco Systems

URL

https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/voice/vcr5/vcr5-cr-book/vcr-v2.html

Published

unknown

Updated

unknown

Accessed

2026-10-02

HTTP status

200

License

Cisco documentation terms; no-redistribution; short excerpts and locators only

Source notes citing this source

• Cisco's command reference describes a global transport switch command that switches transport for SIP messages larger than 1300 bytes, and states the dial-peer voice-class sip transport switch command takes precedence over it. in context
• The voice-class sip transport switch command was introduced in Cisco IOS Release 12.3(8)T. in context
• The voice-class sip transport switch dial-peer command is disabled by default. in context
• On Cisco IOS voice gateways and CUBE, the dial-peer command voice-class sip transport switch udp tcp switches a SIP request from UDP to TCP when the request size exceeds the MTU size. in context

Cite this source record

APA

WarmTransfer. (2026, October 2). Cisco IOS Voice Command Reference - T through Z - voice-class sip error-code-override through vxml version 2.0. WarmTransfer. https://warmtransfer.net/knowledge/sources/cisco-ios-vcr5-voice-class-sip-cmds

BibTeX

@misc{warmtransfer-cisco-ios-vcr5-voice-class-sip-cmds,
  title  = {Cisco IOS Voice Command Reference - T through Z - voice-class sip error-code-override through vxml version 2.0},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/sources/cisco-ios-vcr5-voice-class-sip-cmds},
  note   = {Cisco Systems, accessed 2026-10-02}
}