Paul Witty wrote: > Peter Saint-Andre wrote: >> Lauri Kaila wrote: >> >>> 2008/4/10, Peter Saint-Andre <[EMAIL PROTECTED]>: >>> >>>> Offlist, someone mentioned to me that it might be appropriate for >>>> XEP-0167 to recommend or even require support for the ITU-T's G.711 >>>> technology, which is represented by payload-types 0 (PCMU) and 8 >>>> (PCMA) >>>> as registered with the IANA. >>>> http://www.itu.int/rec/T-REC-G.711/e >>>> >>>> Thoughts? >>>> >>>> >>> I think 64 kbits/s is too much to be mandatory. >>> >> >> I think the idea was that G.711 is supported everywhere, so recommending >> support for it in Jingle would help interoperability with existing SIP >> networks and the PSTN. >> > Indeed. We have a Jingle->SIP/H.323 gateway. I don't know of any SIP > or H.323 endpoints which support Speex, so if that is the only > recommended codec for Jingle audio, then we have to be prepared to > transcode the audio in all cases. By guaranteeing a minimum of G.711, > we should be always able to gateway between protocols without > transcoding if so desired, even if we may need to transcode for higher > quality audio e.g. Speex to AAC.
Right, that's the idea. Is basic G.711 still patent-encumbered in any way? I'll have to do some research on that... Peter -- Peter Saint-Andre https://stpeter.im/
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