Codec change on IP-based A interface
A method to perform codec changes for ongoing calls on an IP- based A interface between a base station subsystem and a mobile switching center, where the transcoding functionality is removed from the base station subsystem, the method being based on a handover procedure, and where a preparation and...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | A method to perform codec changes for ongoing calls on an IP- based A interface between a base station subsystem and a mobile switching center, where the transcoding functionality is removed from the base station subsystem, the method being based on a handover procedure, and where a preparation and an execution phase are controlled via signalling messages between the base station subsystem and the mobile switching center. |
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