Thanks for the detailed explanation Bill. I've passed this along to the
provider. Unfortunately I'm unclear whether they are interested or will
find it useful. If nothing else it is comforting to me. Happy New Year
to you too!
Syd
>>>>>>>>>>>>>>>>>>
Bill Sandford wrote:
Syd:
CallerID Name is a funny animal.
I'm not 100% sure that your provider's explanation makes a lot of sense
to me because most of the signals sent are digital but allow me to give
this little backgrounder on CallerID Name
First of all it is important to note that we are very lucky in Canada.
The way the CallerID name system works here is much different than it is
in the US. In Canada CallerID Name information is set with every call.
In the US it is stored in central databases. Unless you have access to
those databases (or your provider will update it for you) you are out of
luck when it comes to changing the CallerID Name.
Ok, back to Canada. Chances are that your provider is using ISDN-PRI
trunks to their provider. There are 2 ways that CallerID Name can be
passed with ISDN-PRI. The first method, commonly used by Nortel DMS
switches (think Bell, Allstream), is by passing the name as a parameter
in the call-setup message. The other way, commonly used by Lucent 5ESS
switches (think Telus), is by passing the name as a Facility IE usually
in the progress message.
So the problem is *likely* that your provider's equipment is either
configured for the wrong switchtype, doesn't have the CallerID name
configured correctly, and/or doesn't support sending CallerID name in
the same fashion as their provider.
Asterisk supports sending CallerID Name using both methods. The method
can be set via the facilityenable parameter in zapata.conf. But this is
only if your connections to your provider are PRI.
So the reality is that there is nothing that you are doing wrong with
your CallerID Name via SIP. The problem is just that your provider and
their provider are likely either configured wrong or incompatible with
each other when it comes to CallerID Name
Regards,
Bill
PS - HAPPY NEW YEAR TO ALL !!!
Syd Carter wrote:
Hey all.
My caller id _name_ info is not coming across. According to my
provider, "we send callerID correctly however the ISP's have old
equipment that don't understand the new digital signal therefore they
can't understand the call display".
I've check my sip dialog and know that I'm sending name and number. I
never had this problem with my previous voip service provider.
Can anyone provide me with additional insight into "the new digital
signal" versus the old one?
Thanks.. Syd
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