Hi all,
Thank you for the reply.
I didn't want to bother the list too much. However, after reading I discover
I don?t have a clear cut way of doing transcoding.
Can somebody direct me to where I can get document to get this transcoding
done.
My set up
>From [cisco (g729)] ----> [asterisk (sip channel(g729)within the same
asterisk) g711 to chan_ss7] -----> [pstn]
And vice versa.
I will be glad if someone can throw more light on this for me.
Goksie
-----Original Message-----
From: asterisk-ss7-bounces@xxxxxxxxxxxxxxxx
[mailto:asterisk-ss7-bounces@xxxxxxxxxxxxxxxx] On Behalf Of Kai Militzer
Sent: Monday, March 27, 2006 3:19 PM
To: asterisk-ss7@xxxxxxxxxxxxxxxx
Subject: Re: g723 or g729 on ss7 link
Hi!
> Is it possible to set codecs on ss7 link?
No. E1s channels (which chan_ss7 uses as voice channels) can only use
G711 alaw.
> Or receiving call with g723 or g729 and forward the call to pstn via the
ss7
> link.
You can do transcoding on the asterisk machine that you use as SS7
Gateway. This means you get the calls delivered via SIP with G723 and
send them out to SS7 with G711. Note that you need more processingpower
for this then if you do no transcoding.
Best regards
Kai
--
Kai Militzer WESTEND GmbH | Internet-Business-Provider
Technik CISCO Systems Partner - Authorized Reseller
L?tticher Stra?e 10 Tel 0241/701333-14
km@xxxxxxxxxxx D-52064 Aachen Fax 0241/911879
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