A media profile is a list of attributes which define what audio codecs are used on a per call basis.
It also describes how DTMF (Dual Tone Multiple Frequency) will be handled within the SIP profile
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Depending on use case:
User can create one Media profile per SIP profile
User can create one Media profile for many SIP Profiles.
SIP profile uses the Media profile information to negotiate SDP information
Codecs & P-times
Local RTP ports
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Audio Codec
An audio codec is a program implemented as an algorithm that compresses and decompresses digital audio data.
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