[VoIP] FXO cards and CallerID

[John Novack]

I thought John Jones said it COULD detect CLID, but he is one of the 
highest authorities on Cisco, check with him first.

As to cards on the PCI bus, there is the X100P which does detect US 
CLID, but NOT UK and some other countries. This card is available cheap, 
and also provides timing for the IAX and some other Asterisk functions 
if you are using a Linux 2.4 kernel. Otherwise ztdummy needs to be 
enabled in the Zaptel compilation. Sometimes that also fails if you have 
the wrong USB chipset, and then you need a card anyway.
Most of these problems go away with Linux 2.6 kernels, and are probably 
replaced with others.
Digium TDM400 cards are more expensive, as is the Sangoma A200, and the 
Sangoma can be more difficult to get working, but once you do it has a 
longer warranty and seems generally a better card. The TDM 400 doesn't 
always work with older motherboards, and MUST have one with the PCI 2.2 
spec.
Digium has recently introduced the TDM 410. I have no experience with 
that one.

Try your Cisco 3810 first and see what does and doesn't work

Passing the CLID through to an FXS port is a matter or programming in 
your dial plan.

John Novack

Nathan Watson wrote:
> Some time ago, I made a post asking if a Cisco 3810
> could handle/detect inbound CID and the general
> consensus was that it could not. Someone mentioned
> that a FXO card probably could. Does anyone have any
> experience with FXO cards that can do this? I would
> like to know what type of card I could get to do that.
>
> If its possible, I would like to set things up so that
> CallerID and voicemail FSK notification on an outside
> line could be interpreted by Asterisk and sent to the
> extension(s) that it rings to. Perhaps it may be
> trickier (or not even possible) to implement this for
> the VM notification, but I would prefer it instead of
> running a standalone VM notification lamp (connected
> to the outside line) to each extension.
>
> If any of you have experience, knowledge, or
> suggestions for implementing something like this, I
> would appreciate hearing it.
>
> Thanks!
>
> Nathan
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-- 
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