[Asterisk-Users] Callerid is recieved by fxo, but sometimes not passed to extensions

[Jim Van Meggelen]

Are you waiting until the start of the second ring cycle before
answering the phone? 

CLID information is sent in-band between the first and second ring
cycles. If you interrupt this process (by answering the phone before
transmission is complete), you will not receive the CLID information.



asterisk-users-bounces at lists.digium.com wrote:
> Hi,
> I'm having a problem with callerid. It is recieved fine by
> the fxo (it appears in the cdr, and voicemail app gets it
> fine), but it is passed to the internal phones works about 25% of the
> time. The internal phones are all analog, a dvg-1120M (mgcp
> firmware) and a quicknet phonejack. There seems to be no
> pattern, as the same number will sometimes appear or not.
> 
> I've tried forcing the callerid by placing a
> 1,SetCallerID(${CALLERID}) before dialing the channel. This did not
> help. 
> 
> Any suggestions?
> Thanks,
> -Ry
> 
> 
> 
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