[asterisk-dev] IAX hardphone

[Bill Shaw]

On 2/10/2011 3:22 PM, Martin Harriss wrote:
> Bill Shaw wrote:
>>
>> OK.  First,  my setup...
>>
>> 192.168.1.56 - my development system - Win xp - Wireshark, Zoiper, 
>> TI's Code Composer Studio
>> 192.168.1.4 - My PBX - CentOS 5.5, Asterisk 1.6
>> 192.168.1.31 - my hardphone - TI DSP running my code on the bare metal
>>
>> Zoiper calls extension 21 which is mapped in the dial plan through to 
>> my hardphone.  Linux arps for my mac,  I reply with it.  * sends me a 
>> 'new',  I reply with an 'accept'.  There is no response to the 
>> 'accept'.  It just gets ignored and eventually * sends me another 
>> 'new'.  There's got to be something wrong with my 'accept' but I just 
>> can't see it.  Wireshark shows it as I expect.  No error messages,  
>> nothing in the messages log,  it just gets dropped.
>>
>> Screen shot of the 'accept' in Wireshark:
>> http://b.shaw.home.comcast.net/accept.jpg
>>
>> Can anyone see what I'm doing wrong?  Is the timestamp supposed to be 
>> my timestamp (ms offset from 'new') or the timestamp in the 'new'?
>>
>> Thanks,
>>
>> Bill
>
> This may be a silly question, but do you have any firewalling set up 
> on the PBX that might prevent the packets from getting to Asterisk?  
> (They would still be seen by wireshark.)
>
> Martin
>
>

Hmmm,  I didn't set up anything explicitly,  just a default CentOS and 
Asterisk install.  That wouldn't do any firewalling,  would it?

I uploaded the Wireshark capture file from a session if anyone's willing 
to look.

http://b.shaw.home.comcast.net/accept.pcap

Thanks,

Bill