[Asterisk-Users] phantom incomming calls from asterisk

[John Novack]

Many telcos do an automated once a day or once a week or ?? line test, 
which can appear as an incoming call to some devices.
If you unplug your telco line and the events disappear, perhaps that is 
what is happening?

John Novack


John Millican wrote:

>>About once a day I have noticed a phantom incoming call with a caller ID of
>>asterisk at 192.168..<cut off>. When I answer the call there is a dial tone
>>and the call is disconnected. Any clues?
>>
>>David Koski
>>    
>>
>David and List,
>I am having the same problem.
>I have an * box at my house with 1 zap (pstn on a X100p clone from digit 
>networks) channel and one sip(linksys ATA).  I am getting ring on the ATA but 
>there is no call comming in from the pstn.  The following is the CLI output 
>when this happens.  I know that there is no call on the pstn because i have 
>an "emergency phone"(frequent power outages) still connected to the PSTN 
>parallel to the * box and it never rings. All the SIP stuff is on an internal 
>lan only.  I only call out on PSTN since all I have available here in 
>nowheare land is dial up :-(  All work flawlessly except for this one 
>problem.
>
>- Starting simple switch on 'Zap/1-1'
>Jul  8 13:49:23 NOTICE[6150]: chan_zap.c:5405 ss_thread: Got event 2 
>(Ring/Answered)...
>    -- Executing Dial("Zap/1-1", "sip/677|35") in new stack
>    -- Called 677
>    -- SIP/677-55a8 is ringing
>  == Spawn extension (default, s, 1) exited non-zero on 'Zap/1-1'
>    -- Hungup 'Zap/1-1'
>Is there anything for Zap like sip debug? My first guess is that I am getting 
>some sort of blip in ring voltage on the PSTN but have no way to prove this.  
>As a posible logic check I unplugged from PSTN, which put zap into Red alarm 
>of course, and then i get no phantom calls.  Is there something in the zap 
>driver that shuts down when in red alarm? 
>Any Ideas?
>John M
>
>  
>

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