| http://www.w3.org/ns/prov#value | - Protocols other than the SIP and the SDP can be used between the media-gateway controller and the caller. [0054] When it is determined that the codec data included in the call setting data includes all of the first codec 210 and the second codec 220 of the codec conversion table 132 stored in the storage unit 130 in step S405, the transmitter 120 transmits the call setting data that is not transfo
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