Here is a matrix we put together about g729 license needs:
======================== ======================
========================= ====== ======= ======== ========
Asterisk to SIP Provider SIP Client to Asterisk asterisk.conf sln
defined record monitor encoders decoders
======================== ======================
========================= ====== ======= ======== ========
ulaw ulaw yes
yes yes 0 0
ulaw ulaw yes
yes no 0 0
ulaw ulaw yes
no no 0 0
ulaw ulaw yes
no yes 0 0
ulaw ulaw no
yes yes 0 0
ulaw ulaw no
yes no 0 0
ulaw ulaw no
no no 0 0
ulaw ulaw no
no yes 0 0
ulaw g729 yes
yes yes 3 3
ulaw g729 yes
yes no 2 3
ulaw g729 yes
no no 1 1
ulaw g729 yes
no yes 3 3
ulaw g729 no
yes yes 3 3
ulaw g729 no
yes no 2 3
ulaw g729 no
no no 1 1
ulaw g729 no
no yes 3 3
g729 ulaw yes
yes yes 2 5
g729 ulaw yes
yes no 2 5
g729 ulaw yes
no no 1 1
g729 ulaw yes
no yes 2 3
g729 ulaw no
yes yes 2 5
g729 ulaw no
yes no 2 5
g729 ulaw no
no no 1 1
g729 ulaw no
no yes 2 3
g729 g729 yes
yes yes 4 7
g729 g729 yes
yes no 3 7
g729 g729 yes
no no 1 1
g729 g729 yes
no yes 4 5
g729 g729 no
yes yes 4 7
g729 g729 no
yes no 3 7
g729 g729 no
no no 1 1
g729 g729 no
no yes 4 5
--
Jim Dickenson
mailto:dicken...@cfmc.com
CfMC
http://www.cfmc.com/
On Jan 12, 2012, at 3:00 PM, Kevin P. Fleming wrote:
> On 01/12/2012 11:57 AM, Daniel - Asterisk wrote:
>> The simplest answer, I purchased one additional license and one
>> simultaneous call is being recorded now. I do not understand why the
>> ulaw codec (or format) is involved here (... No translator path from
>> alaw to unknown ...)
>>
>> Any entry will be very appreciated.
>
> When you say 'call', do you mean a call between two phones (endpoints)? If
> so, and both endpoints are using G.729 for audio, then yes, recording that
> call in any format other than G.729 will require *two* G.729 decoders, one
> for each audio stream being received by Asterisk. Even in a case where you
> are only recording the combined audio from the two phones (MixMonitor), the
> audio must still be decoded in order to be mixed.
>
> --
> Kevin P. Fleming
> Digium, Inc. | Director of Software Technologies
> Jabber: kflem...@digium.com | SIP: kpflem...@digium.com | Skype: kpfleming
> 445 Jan Davis Drive NW - Huntsville, AL 35806 - USA
> Check us out at www.digium.com & www.asterisk.org
>
> --
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