Communication of information
The invention relates to method for communicating information from a first mobile communication device (UE 1 ) to a second mobile communication device (UE 2 ) via a network. In the method, a SIP (Session Initiation Protocol) INVITE message ( 31 ) having a header portion ( 32 ) and an SDP (Session De...
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| Format: | Patent |
| Sprache: | eng |
| Online-Zugang: | Volltext bestellen |
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| Zusammenfassung: | The invention relates to method for communicating information from a first mobile communication device (UE
1
) to a second mobile communication device (UE
2
) via a network. In the method, a SIP (Session Initiation Protocol) INVITE message (
31
) having a header portion (
32
) and an SDP (Session Description Protocol) body (
33
) is sent from the first mobile communication device (UE
1
) to the second mobile communication device (UE
2
) via the network. In the SDP body (
33
), it is indicated a set of codec related features that the first mobile communication device (UE
1
) supports for a session between the first mobile communication device (UE
1
) and the second mobile communication device (UE
2
). The codec related features are a set of codecs that the first mobile communication device (UE
1
) supports and different options of a particular codec, such as operational modes of an adaptive multi-rate (AMR) codec. In the header portion (
32
), it is indicated by the network whether the codec related features contained in the set of codec related features are supported by the network. |
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