CallManager/ DTMF/ MTP Allocation

Publisher

Cisco Systems

URL

https://www.cisco.com/c/en/us/support/docs/unified-communications/unified-communications-manager-callmanager/118708-technote-dtmf-00.html

Published

2015-01-09

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

• Unified CM inserts an MTP when a SIP endpoint supports only RFC 2833 and the other side needs out-of-band DTMF; the MTP exchanges RFC 2833 packets with the SIP endpoint and out-of-band DTMF with Unified CM. in context

Cite this source record

APA

WarmTransfer. (2015, January 9). CallManager/ DTMF/ MTP Allocation. WarmTransfer. https://warmtransfer.net/knowledge/sources/cisco-technote-118708-cucm-dtmf-mtp

BibTeX

@misc{warmtransfer-cisco-technote-118708-cucm-dtmf-mtp,
  title  = {CallManager/ DTMF/ MTP Allocation},
  author = {{WarmTransfer}},
  year   = {2015},
  url    = {https://warmtransfer.net/knowledge/sources/cisco-technote-118708-cucm-dtmf-mtp},
  note   = {Cisco Systems, accessed 2026-09-24}
}