[asterisk-users] Choosing codecs

[Satskiy.a]

Hi Luca 
Y need to check your wifes codec priority list -seems to be GSM on the first place.


Luca Bertoncello <lucabert at lucabert.de> wrote:

>Hi list!
>
>I noticed that when the phone of my wife calls the gsm codec will be used,
>but if someone calls the phone, alaw will be used:
>
>00493511111111 calls 00493512222222:
>OpenWrt*CLI> sip show channels
>Peer             User/ANR         Call ID          Format           Hold     Last Message    Expiry     Peer      
>192.168.200.11   00493512222222   5305ad0e07977dd  0x4 (ulaw)       No       Init: INVITE               0049351222
>192.168.200.10   00493511111111   1481837b-c0a801  0x4 (ulaw)       No       Rx: INVITE                 0049351111
>
>00493512222222 calls 00493511111111:
>OpenWrt*CLI> sip show channels
>Peer             User/ANR         Call ID          Format           Hold     Last Message    Expiry     Peer      
>192.168.200.10   00493511111111   5e21076a01b9483  0x8 (alaw)       No       Tx: ACK                    0049351111
>192.168.200.11   00493512222222   MCBsoNI2Cj266BB  0x2 (gsm)        No       Rx: ACK                    0049351222
>
>Could someone explain me why?
>Second question: I think, ulaw/alaw are better then gsm, isn't it?
>If so, how can I change it?
>
>Thanks
>Luca Bertoncello
>(lucabert at lucabert.de)
>
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