Which codec is recommended by Cisco for multisite music on hold deployment that spans through the WAN links?
Which solution is needed to enable presence and extension mobility to branch office phones during a WAN failure?
Which command displays the detailed configuration of all the Cisco Unified IP phones, voice ports, and dial peers of the Cisco Unified SRST router?
Which option configures the secondary dial tone option for SRST mode to let the users hear the dial tone for PSTN calls?