[asterisk-users] Problem on incoming call from Zap channel to SIP phones...

[Eric "ManxPower" Wieling]

Carlos Chavez wrote:
> On Wed, 2007-05-30 at 08:56 -0600, Stephen Bosch wrote:
>> Carlos Chavez wrote:
>>> On Tue, 29 May 2007 20:20:13 -0500, Eric \"ManxPower\" Wieling wrote
>>>
>>>>> 	I just made another test by dialing to a Zap channel instead of a SIP
>>>>> phone and the call goes through without any problem.  It is just when
>>>>> you try to dial to a SIP phone that you get the auto-congestion message.
>>>>>
>>>      All other phones in the system are working properly, they are all
>>> registered and you can send and receive calls from anywhere except that zap
>>> channel.
>> I'm suspicious of the Zap channel in the off-hook state. It should
>> on-hook when on-hook and off-hook when in use.
>>
>> Is that channel still in off-hook?
>>
>> You say you made no changes, it just stopped working. Did anything
>> *else* change around the time this problem appeared? Did someone move a
>> device, or did you update a driver?
>>
> 	No changes have been made in a while.  The customer is very particular
> and very difficult to deal with so we NEVER make any changes unless it
> is absolutely necessary.  Today I made several more tests and things are
> getting weirder.  First I tried to connect the Vonage ATA to another
> port on the card just to confirm that it was not the port who was the
> problem.  I has the exact same problem.  I cannot call any SIP phone,
> they all give me Auto-Congestion.  If I change the dialplan to dial an
> analog phone it goes through without a hitch, the problem only presents
> itself with the SIP phones.  Stranger still is that I can use a SIP
> phone to dial to the Vonage line, only incoming calls have a problem.

Sounds like you need to stop obsessing over the Zap ports.  Your problem 
is with the SIP phones.

Can two SIP phones on that system call each other?