Refer to the exhibit. A customer reports that MTP resources are being used in the recently deployed Cisco UCM and wants no MTP resources to be used. Cisco UCM SIP trunk configuration does not have the MTP Required box checked. Which configuration change resolves the issue?
Answer(s): A
In this scenario, the Media Termination Point (MTP) is being used despite the "MTP Required" option not being checked on the SIP trunk. One common reason for this is a mismatch in the DTMF relay method between Cisco Unified Border Element (CUBE) and Cisco Unified Communications Manager (CUCM).The current CUBE configuration uses dtmf-relay sip-notify, while CUCM is set to use RFC 2833, which is equivalent to rtp-nte on CUBE. These two methods are incompatible, leading to MTP invocation to bridge the mismatch.To resolve this, you should configure CUBE to use dtmf-relay rtp-nte, ensuring that both sides use RFC 2833 for DTMF signaling, preventing unnecessary MTP usage.
What requires a Cisco IOS XE transcoder?
Answer(s): B
A Cisco IOS XE transcoder is required for SIP early offer when there is a mismatch in supported codec types between two endpoints.SIP early offer requires that the calling device include codec and media capabilities in the initial INVITE message. If the called device does not support the same codecs, a transcoder is required to bridge the media stream.Transcoders convert one codec format to another in real time, ensuring compatibility between devices using different codec standards.
An administrator must configure a dial peer on a Cisco Unified Border Element to redirect specific calls to an IP PBX that has an IP address of 10.18.92.2 when the number 9999 is dialed. Which command must be run on CUBE?
The session target command defines the remote IP address to which matching calls are sent, and specifying the IPv4 address of the IP PBX ensures that calls dialed with the configured pattern are routed to that system.
Refer to the exhibit.An administrator configures a secure SIP trunk on Cisco UCM. Which value is needed in the Secure Certificate Subject or Subject Alternate Name field to accomplish this task?
Refer to the exhibit. The translation rule is configured on the voice gateway to translate DNIS. What is the outcome if the gateway receives 0255-343-1234 as DNIS?
Answer(s): C
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