Quote:
Originally Posted by AlexErko
When one has chosen a VoIP service provider to include in a dialplan there is a provision for stipulating which codecs to use, or exclude, in relation to each of them, EXCEPT VoXaLot itself!
Some of my calls are VoXaLot to VoXaLot calls, and not being able to stipulate which codec is going to be used, is sometimes a major PITA, depending on the equipment and network being used.
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It's not relevant in the case of VoXaLot to VoXalot, as VoXaLot's RTP proxy is not used.
The codecs used will be whatever is negotiated between your SIP device and the endpoint SIP device where your SIP call is sent (ie, the codec settings on the SIP device of the VoXaLot user you are calling). The call will fail (eg with "488 Not Acceptable Here") if codec negotiation with the other device fails.
The best you can do is set the codecs you want to use in your SIP device, and hope that the other SIP device supports one of them.