[asterisk-users] Asterisk and 802.11g

[Yuan LIU]

>From: "younss azzayani" <younssiga at gmail.com>
>Date: Thu, 8 Feb 2007 17:20:30 +0000
>
>did you test to call from a soft phone using pstn, if you get a bad
>sound that s mean that the zaptel param must be changed if not try to call 
>from a soft phone your wirless phones and test

I've tested Zaptel with this card extensively and the voice is acceptable.  
But I'm not sure how to call from a soft phone using PSTN.  Could you 
elaborate?

Yuan Liu

>2007/2/8, Yuan LIU <yliu11 at hotmail.com>:
>>I'm greatly surprised when testing an Asterisk box with 802.11g.  Here's 
>>the topology:
>>
>>VoIP caller --- 802.11g --- Asterisk --- 802.11g --- VoIP extension
>>                                        |
>>                                      FXO ___ PSTN extension
>>
>>When I call a VoIP extension on that box (from a VoIP extension), voice is
>>good.  But when this box tries to bridge the call with a PSTN extension,
>>voice is completely broken.  And it's not because of the cheap X100P - 
>>when
>>I ping the box, round trip is >4,000 ms, most of the time causing timeout.
>>Once the call hangs up, ping time dropped to 1-2 ms.  Ping time started to
>>surge even when FXO is simply ringing.
>>
>>If VoIP to VoIP extension call uses re-invite (which it did), voice is 
>>also
>>good in the Console channel.
>>
>>How can voice traffic stall 802.11g? (I haven't checked, but CODEC is 
>>likely ulaw.)
>>
>>Yuan Liu