Refer to the exhibit. An administrator just implemented SIP trunking on their Cisco UCM and reports that calls using the SIP trunk are using Media Termination Point resources unnecessarily. Which action resolves the issue?
A.
Change DTMF Signaling Method to “No Preference”.
A should be right:
No Preference: CUCM will pick the DTMF method to negotiate DTMF, so an MTP is not required for the call. If Cisco Unified Communications Manager has no choice but to allocate an MTP (if the Media Termination Point Required check box is checked), SIP trunk will negotiate DTMF to RFC2833.
RFC 2833: CUCM makes every effort to negotiate RFC2833 regardless of MTP usage. Will fallback to OOB if needed.
https://community.cisco.com/t5/collaboration-blogs/understanding-sip-dtmf-options-supported-by-cucm/ba-p/3107307
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lalawi
9 months, 2 weeks agojohn_doe_9999
9 months, 4 weeks ago