CUBE Configuration Guide - Cisco IOS XE 17.6 Onwards - SIP INFO Method for DTMF Tone Generation

Publisher

Cisco Systems

URL

https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/voice/cube/ios-xe/config/ios-xe-book/m_voi-dtmf-ton-gen.html

Published

2026-04-25

Updated

unknown

Accessed

2026-09-24

HTTP status

200

License

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

Source notes citing this source

• A Cisco IOS XE gateway can receive SIP INFO with Content-Type application/dtmf-relay carrying Signal and Duration fields and play the DTMF tone on the telephony call leg. in context
• For SIP INFO tone generation the Cisco gateway clamps Duration to 100-5000 ms and uses 250 ms if no duration is given. in context

Cite this source record

APA

WarmTransfer. (2026, April 25). CUBE Configuration Guide - Cisco IOS XE 17.6 Onwards - SIP INFO Method for DTMF Tone Generation. WarmTransfer. https://warmtransfer.net/knowledge/sources/cisco-cube-xe-sip-info-dtmf-tone-gen

BibTeX

@misc{warmtransfer-cisco-cube-xe-sip-info-dtmf-tone-gen,
  title  = {CUBE Configuration Guide - Cisco IOS XE 17.6 Onwards - SIP INFO Method for DTMF Tone Generation},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/sources/cisco-cube-xe-sip-info-dtmf-tone-gen},
  note   = {Cisco Systems, accessed 2026-09-24}
}