[asterisk-users] trouble with sip connection and registration

[sean darcy]

On 11/14/2011 07:05 PM, James Sharp wrote:
> You're not going to get a telnet connection on port 5060, since that's tcp and sip uses UDP.
>
> Use tcpdump/wireshark on your office pbx to see if the packets are getting to you. If not, then there's something wrong inbetween.
>
> A firewall misconfig, perhaps. Or the unthinkable:  your home ISP has started filtering 5060.
>
>
>
> On Nov 14, 2011, at 18:51, sean darcy<seandarcy2 at gmail.com>  wrote:
>
>> I have a home asterisk box which connects to the office asterisk, so I can just dial extensions.
>>
>> This used to work just fine. I'm using 10.0-rc1 on the home box, 1.8.7.0 on the office. But it doesn't work now:
>>
>> [Nov 14 18:38:19] NOTICE[21563]: chan_sip.c:13161 sip_reg_timeout:    -- Registration for 'sip@<officePBX>' timed out, trying again (Attempt #86)
>>
>> I first thought it was some fall out of the new upgrade to 10.0-rc1, but now I'm not sure.
>>
>> Even with verbose at 6 I don't see anything on the office console about the attempted registration.
>>
>> And on the office:
>>
>> lsof -i:5060
>> COMMAND   PID     USER   FD   TYPE DEVICE SIZE/OFF NODE NAME
>> asterisk 2045 asterisk   15u  IPv4  23030      0t0  UDP *:sip
>>
>> but:
>>
>> telnet localhost 5060
>> Trying 127.0.0.1...
>> telnet: connect to address 127.0.0.1: Connection refused
>>
>> iptables is set to allow 5060 udp and tcp. And I've flushed iptables, but still no luck.
>>
>> I can ssh into the office box from the home box. The office box is directly connected, the home nat'ed.
>>
>> Any help really appreciated.
>>
>> sean
>>
>>

Unthinkable!! Used wireshark: I can see the REGISTER packets going out 
from the home router, but nothing from home:5060 shows up at the office.

Bummer. Now I get to think about how to set up special ports between 
home and office. A great evening activity.

sean