A Cisco IP Phone 7841 that is registered to a Cisco Unified Communications Manager with default configuration receives a call setup message. Which codec is negotiated when the SDP offer includes this line of text?
M=audio 498181 RTP/AVP 0 8 97
What is a benefit of using DNS in a Cisco collaboration infrastructure?
What are the last two bits of a DS field in DiffServe Byte used for?
An administrator is configuring a new Cisco UCM with PSTN capabilities. Due to
bandwidth constraints, audio compression is used on the codec. DTMF must work as
expected because the customer is calling many call centers where the users must select
options in the call. Where is DTMF out-of-band in a CCM 12.5 with SIP-based gateway
configured?