[Asterisk-biz] Any suggestion for a good ADSL Router that garantees me voIP prioritization and QoS ?

[Chris A. Icide]

On 11:55 PM 10/6/2004, andres at itranser.com wrote:

>Thks for your comments about the router, Chris.
>
>Unfortunately, that router does not seems to include a MODEM/ADSL 
>integrated (something usual on my country, here the routers that customer 
>demand have that interface integrated). I saw another model of Linksys, 
>the WAG54G model, that seems an specific version for the Spanish market 
>(it comes with MODEM/ADSL), but I am afraid os Sveasoft not having 
>firmware for this one......
>
>If so, i would have to go with the firmware already shiped with the 
>product... Do you think this firmware is already good enough for QoS?
>
>Also....Do you known if seasoft firmware makes a lot of difference on QoS 
>feautures ? What about SIP compatibilities (i.e SIP AGL = SIP Aplicattion 
>Gateway Layer).
>
>Kind Regards,
>
>                                 Andres

You are correct, the WRT54G does not have any type of MODEM in it.  You 
would need to use an external modem if you chose to use it.  The WRT54G is 
based on an embedded linux kernel and linux based routing software.  The 
QoS (in the sveasoft firmware) is Wondershaper and works quite 
well.  However, I don't believe (as mentioned by another poster) that the 
Linksys firmware QoS allows you to set the inbound and outbound capacities 
for use by the QoS system, so it may not perform as well.  I can only 
comment on the sveasoft firmware, since it is the only firmware I've tried.

To be honest I'm not sure how sveasoft handles SIP traffic.  I know that if 
you read the boards they have implemented some specific features just for 
SIP traffic.  I do know that when I tested the router, I saw a huge 
difference between non-QoS operation and QoS operation.  With QoS off, 
large downloads or uploads would completely destroy my VoIP quality.  When 
I implemented the QoS in the sveasoft firmware, the calls were perfect 
regardless of the traffic I attempted to push or pull.

-Chris
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