[cisco-voip] Remove Caller ID Delay

[Wes Sisk]

Not really.

Part of the ring heard by the external party is what is referred to as 
"gratuitous ringback".  This is time for the PSTN to do call routing to 
destination.

After that the FXO port must wait up to 2 seconds to receive callerid 
from your telco.  You can disable the reception of callerid and have the 
call routed immediately but then you would not receive callerid.

/Wes

On Thursday, May 14, 2009 12:18:50 PM, David Zhars <dzhars at gmail.com> wrote:
> CCM 4.1.3, H323 2801, FXO ports.
>
> People call in, they will hear 1.5 rings before we hear any rings.  I 
> assume this is setting up Caller ID.  Anyway to stop this, just let 
> the phone ring before Caller ID is transmitted?
>
> thanks.
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