you can confirm what the phones have chosen for a specific call (for SIP
for example) like this:
[EMAIL PROTECTED] ~]$ sudo asterisk -rx 'show channel SIP/118-84f8'
...
NativeFormat: 4
WriteFormat: 4
ReadFormat: 4
...
Then, to find out what 4 means,
[EMAIL PROTECTED] ~]$ sudo asterisk -rx 'show audio codecs'
Disclaimer: this command is for informational purposes only.
It does not indicate anything about your configuration.
INT BINARY HEX TYPE NAME DESC
--------------------------------------------------------------------------------
4 (1 << 2) (0x4) audio ulaw (G.711 u-law)
256 (1 << 8) (0x100) audio g729 (G.729A)
So you can see my phones are ulaw-ing, they would have 256 in those
fields if they had settled on g729
Moj
Martin Joseph wrote:
On Mar 22, 2006, at 8:25 PM, Nathan Alberti wrote:
I hope this isn't considered cross posting, i sent the following email
to Digium support but figured someone on the list may also have better
insight into my questions.
I have purchased 2 g729 licenses from Digium for testing and have the
following questions;
** My configuration is a single asterisk box configured with 2 g729
licenses and 2 x Cisco 7960 Phones, I have confirmed the phones are
re-inviting correctly and the media stream is flowing directly between
the two handsets**
I was under the impression a license was only required when asterisk
had to take part in the conversation and process frames, I have
noticed that when the phone re-invite asterisk still considers a
license to be in use when its is no longer in the media path, is this
correct ? Should correct behavior not be to release the license as it
is no longer being used ?
I have also read it is possible for Asterisk to allow g729 pass
through, if both endpoints are g729 both with set to re-invite. Is
this scenario possible when you have the commercial license ? it seems
to me you get hit with using a license because they are there not
because they are necessarily required.
I think you're right, that you don't need a license at all to pass g729
directly or even through asterisk. It's only when you are transcoding
that you need a license.
Make sure your phones are actually SELECTING the g729 codec within
asterisk. Just because the phone is set to prefer it, means nothing.
Verify that your asterisk extensions give highest priority to g729.
HTH,
Marty
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Mojo <[EMAIL PROTECTED]>
Office Manger, Horan & Company, LLC
(907) 747-6666 x112
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