[Asterisk-Users] Re: Wireless Grandstream via NATing wifi laptop: problem.

[Kim Lux]

BTW: When is babyTel going to get termination in Saskatchewan.  50% of
Alberta residents came from Saskatchewan and another 25% from the NS and
PEI.  My Dad, father in law and uncle will all need babyTel accounts. 

Kim 


On Mon, 2005-01-24 at 23:33 -0700, Kim Lux wrote:
> The following question concerns SIP and NATing Grandstreams and DOES NOT
> discuss *.  I'm learning to walk in SIP land (without *) before I run
> (with *).  My apologies if this is off topic.  
> 
> I work in an office that is served by a wireless router.  There is no
> network wiring anywhere near my desk.  I'd like to tie a Grandstream
> into the Ethernet port on my wireless laptop, which would in turn
> connect to a broadband connection via the wireless router.  The
> connection would go like this:
> 
> Broadband Modem->Wireless Router->air->Wifi on Laptop -> Ethernet on
> laptop -> Grandstream (via crossover Ethernet cable)
> 
> I am running Linux (what else) on the laptop. Fedora Core 3.  It has a
> 3.2GHz P4 with HT and a fast hard drive, so NATing a bit of voice data
> shouldn't be a problem.
> 
> I got it to work, kind of.  I can call out and we can have a
> conversation but I have 2 problems:
> 
> a) There is a lot of echo in the conversation.
> 
> b) When I hang up the Grandstream, it crashes the laptop.
> 
> I haven't worked on a), but I am stumped by symptom b.
> 
> Any ideas on whether this is a Linux/NAT problem or a SIP/Grandstream
> problem ?
> 
> I'll go into further details as people need them.
> 
> The Grandstream is running version 1.0.5.18
> 
> BTW: If I connect the Grandstream to the wireless router directly (ie
> with an Ethernet cable) it works fine.  Actually, it works better than
> fine: I am very happy with the voice quality and call handling. 
> 
> 
-- 
Kim Lux,  Diesel Research Inc.