[Asterisk-Users] Clarification - FAX on local network

[Steve Underwood]

Adam Goryachev wrote:

>On Wed, 2004-09-15 at 04:29, Lee Howard wrote:
>  
>
>>On 2004.09.14 11:10 Marty Mastera wrote:
>>    
>>
>>>2)    Packet loss, etc...makes faxing over the internet unreliable
>>>      
>>>
>>I'm not sold on this theory yet.  I don't think that it's so much a 
>>matter of packet loss (this shouldn't occur regularly), but rather of 
>>latency.  Transmitting packets over a network, and in particular the 
>>internet, can result in latency delays that could, in theory, pose a 
>>problem for FoIP, but I've heard of so many people successfully doing 
>>FoIP with equipment other than Asterisk (i.e. using Cisco VoIP 
>>equipment), that I tend to believe that the reliability factor is more 
>>a consequence of SIP or the equipment used (Asterisk and, in my case, a 
>>Sipura SP-2000).
>>    
>>
>
>Actually, I thought it was more related to jitter than latency. Consider
>that faxing over international PSTN worked reliably back in the bad old
>days when international calls were sent over satellite (Well, Australia
><-> US anyway).
>
>Just my 0.02c...
>
>Regards,
>Adam
>  
>
Latency isn't really an issue. Packet loss can be. Jitter can be. So can 
other timing issues. Look here http://www.opencall.org/faq/x29.html

Regards,
Steve