[Asterisk-Users] G.729 vs. G.729 pass thru

[Derek Samford]

Anthony,
	Asterisk by default allows pass through. You shouldn't need a
license. It's only when you need to do transcoding (I.E. you need to
decompress the voice, whether it be for Codec translation, to dial out a
Zap channel, which would be ULAW or ALAW, Voicemail (still technically
codec translation), or any other number of things.) If you are just
doing protocol conversion, with the same codecs, then your fine.
However, if you need
SIP(any codec other than G.729) -->asterisk ---> H.323 SS(g729)
Then you would need a license.

Derek

-----Original Message-----
From: Anthony Law [mailto:anthonyl at accessv.com]
Sent: Wednesday, March 10, 2004 3:36 PM
To: Mailing List Asterisk
Subject: [Asterisk-Users] G.729 vs. G.729 pass thru

Sorry for my ignorance but what is the difference between using the
G.729
codec and using G.729 pass thru. In my scenario below does it consider
to be
using the G.729 or using it as pass through?? Do I still need licence
for
the G.729?


SIP(if using g.729) --->asterisk----->h323
softswitch(g729)----->cisco5300(g729)---->pstn
Phone                         SIP/H323
                                   translation

Where could I find more information for using asterisk as pass thru?


Regards,



Anthony


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