[Asterisk-Dev] Codec license for Asterisk

[Sam Bingner]

But you need a G729 license if you want to be able to send a phone that
only uses G729 to voicemail, etc... Without tle license you have to make
it use something else 

Sam

-----Original Message-----
From: asterisk-dev-admin at lists.digium.com
[mailto:asterisk-dev-admin at lists.digium.com] On Behalf Of James
Courtier-Dutton
Sent: Sunday, May 02, 2004 2:21 AM
To: asterisk-dev at lists.digium.com
Subject: Re: [Asterisk-Dev] Codec license for Asterisk


ops at infoserve.net wrote:
> Hi List,
> 
> I noticed someone in this list asked how many G.729 codec license he 
> should purchase for his Asterisk box. I am new to VoIP and Asterisk. 
> Why do we need to buy codec licenses for th Asterisk? I thought codecs 
> are built into the SIP phones. If a call is made from one SIP phone to 
> another SIP phone, shouldn't the codecs inside those two phones take 
> care of things. The only situation I can think of needing codec 
> license is when a call is make from a SIP phone through Asterisk to 
> the PSTN network. In that case the Asterisk box wil handle the codec 
> functions. Am I correct?
> 
> Also, if I need to buy the G.729 license who and where can I buy them?
> 
> Thanks.
> 
> Oliver Shaw
> 

You need the codec licenses if you are using the codec in Asterisk. e.g.
Channels coming in from a T1/E1 and needing to be converted from 
PCM to G.729 in order to get to a SIP phone. You don't HAVE to use 
G.729, so you don't HAVE to get a G.729 license. You could use GSM 
instead. If you are just doing SIP to SIP G.729, and Asterisk is not 
doing any codec conversions, then you don't need a G.729 license.

Cheers
James

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