asterisk users - Sep 2004 - Net2Phone, Asterisk, and "404 Not Found"

Hi! 

Net2Phone is getting a common SIP status code, "404 Not Found," when 
trying to place a call to our Asterisk server.  We're hoping someone on 
the list can shed some light on why this is happening.  We can process a 
call from Asterisk to Net2Phone without any problems. 

Net2Phone sends the INVITE but immediately gets the "404 Not Found." 

The "To:" field of the INVITE contains the E.164 formatted number with
a
plus "+" sign before the 11 digits and we were thinking that the
presence
of that plus sign had something to do with the 404 problem.  But I guess 
the plus sign is part of the SIP standard.  I don't think we've seen the
INVITE but I'll dig further on that.

Has anyone connected Asterisk to a different SIP proxy and used SIP to 
communicate between the two?  Can anyone further explain why our Asterisk 
is not replying to Net2Phone's INVITE?

Here is the entry from our sip.conf file:

[net2phone3]
context = n2p-in
host=<Net2Phone's IP Address>
disallow=g723.1
allow=g729
type=friend
dtmfmode=rfc2833

Thanks in advance!

chris
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did you try to add

canreinvite=yes

to

[net2phone3]

??

Marc

cveazey@blackhillsfiber.com wrote:
> 
> Hi!  
> 
> Net2Phone is getting a common SIP status code, "404 Not Found,"
when
> trying to place a call to our Asterisk server.  We're hoping someone on
> the list can shed some light on why this is happening.  We can process a 
> call from Asterisk to Net2Phone without any problems.  
> 
> Net2Phone sends the INVITE but immediately gets the "404 Not
Found."
> 
> The "To:" field of the INVITE contains the E.164 formatted number
with a
> plus "+" sign before the 11 digits and we were thinking that the 
> presence of that plus sign had something to do with the 404 problem. 
>  But I guess the plus sign is part of the SIP standard.  I don't think 
> we've seen the INVITE but I'll dig further on that.
> 
> Has anyone connected Asterisk to a different SIP proxy and used SIP to 
> communicate between the two?  Can anyone further explain why our 
> Asterisk is not replying to Net2Phone's INVITE?
> 
> Here is the entry from our sip.conf file:
> 
> [net2phone3]
> context = n2p-in
> host=</Net2Phone's IP/ /Address/>
> disallow=g723.1
> allow=g729
> type=friend
> dtmfmode=rfc2833
> 
> Thanks in advance!
> 
> chris
> 
> 
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