[Asterisk-Users] SIP registration behind Linksys WRT54G

[Scott Henderson]

I have tried several, dlink doesn't seem to have the same issue and a 
more intelligent firewall is not having any problems.  We are working 
with the Sipura 1001 and 2000 units on this issue.

Scott Henderson
============================================================================
Finite Technologies Incorporated
3763 Image Drive, Anchorage, Alaska 99504
Phone: 907.339.8085 ext 6101, Fax: 907.333.4482
http://www.finite-tech.com
http://www.chillywall.com
http://www.virtuale.cc
http://www.mphage.com
Current Local Time: http://www.worldtimeserver.com/time.asp?locationid=US-AK
============================================================================



Tomas Florian wrote:

>Is your problem on the same model of Linksys? WRT54G?  I haven't had a
>chance to try some other Linksys routers so I'm curious.
>
>-----Original Message-----
>From: asterisk-users-bounces at lists.digium.com
>[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Scott
>Henderson
>Sent: Saturday, April 23, 2005 7:20 PM
>To: Asterisk Users Mailing List - Non-Commercial Discussion
>Subject: Re: [Asterisk-Users] SIP registration behind Linksys WRT54G
>
>Please make sure you post any solution you find to this issue to the 
>list I have been frustrated by this as well.
>
>Scott Henderson
>============================================================================
>Finite Technologies Incorporated
>3763 Image Drive, Anchorage, Alaska 99504
>Phone: 907.339.8085 ext 6101, Fax: 907.333.4482
>http://www.finite-tech.com
>http://www.chillywall.com
>http://www.virtuale.cc
>http://www.mphage.com
>Current Local Time: http://www.worldtimeserver.com/time.asp?locationid=US-AK
>============================================================================
>
>
>
>Tomas Florian wrote:
>
>  
>
>>Hello,
>>
>>I'm having some major problems getting SIP phones to register whenever I
>>    
>>
>put
>  
>
>>them behind a Linksys router. The same phones will register behind any
>>    
>>
>other
>  
>
>>NAT (I've tried 3 others without problems)
>>
>>I've been debugging using Ethereal and these are the differences that I
>>found between Linksys WRT54G and a Monowall Router as an example (Monowall
>>router is one of the many that work fine for me):
>>
>>REGISTER sip:asterisk.mydomain.com
>>
>>	Monowall (good registration)
>>
>>	- Via: SIP/2.0/UDP 192.168.10.199;branch=...
>>	- Authorization: DIGEST ..., uri="sip:asterisk.mydomain.com", ...
>>	- Contact <sip: 204 at 192.168.10.199;user=phone>
>>
>>	Linksys WRT54G (Bad registration - 403 Forbidden)
>>	
>>	- Via: SIP/2.0/UDP 66.x.x.166;branch=...
>>	- Authorization: DIGEST ..., uri="sip 66.x.x.166:5060", ...
>>	- Contact *
>>
>>
>>As you can see the difference seems to be that with the Linksys the SIP
>>request has it's WAN IP + port (66.x.x.166) whereas the request from behind
>>a monowall has the LAN IP of the phone 
>>
>>What is the explanation for this difference?  Needless to say - I don't
>>    
>>
>have
>  
>
>>any special port forwarding enabled on either one of these routers and I'm
>>using the identical phone with identical configuration for both tests.
>>
>>I have outgoing proxy in my phone's configuration but it almost looks like
>>it's disregarding that option when behind the Linksys router.  
>>
>>Another interesting thing to note is that I have tried connecting to some
>>other proxy from behind Linksys (not my own asterisk but some other
>>    
>>
>provider
>  
>
>>- I don't know what they are running)  I was able to register without a
>>problem.  Interestingly, the registration request looked identical to the
>>monowall one (Via: LocalIP , uri: FQDN ) ... unfortunately because I am not
>>the system admin on that VoIP server I can't login to see what
>>    
>>
>configuration
>  
>
>>they have in order to copy it.
>>
>>I'm really out of ideas ... if anyone has any hints of what else I could
>>check out I would really appreciate that.
>>
>>Thank you,
>>Tomas
>>
>>
>>
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>>
>>    
>>
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