On Thu, 4 Mar 2010, Dave Fullerton wrote:

> Jeff LaCoursiere wrote:
>> I had a customer ask me about time/date information being sent to his
>> analog (attached to a Linksys SPA2102) answering machine.  I didn't know
>> that POTS could carry this information.  Is this something Asterisk could
>> send over SIP?
>>
>> Cheers,
>>
>> j
>>
> Time and date info on a POTS line is part of the caller ID stream. It is
> up to the analog endpoint sending the caller ID stream to know the
> current time to send. Anything that works with SIP should also have NTP
> capabilities and should be getting its time using that.
>
> -Dave
>

Aha.  Sadly I know that the incoming calls from our PSTN provider (over 
RBS T1) do NOT carry caller ID, so what we are passing on via SIP to the 
Linksys box must also be missing the time info.

Is there any way to add that to the outgoing call to the Linksys box?

Cheers,

j

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