[Asterisk-Dev] Using an additional modem to get CallerID information

[Conroy, Lawrence (SMTP)]

SOre point; I have one, but Caller-ID doesn't work in the UK (we don't 
DO bellcore over here), so it's no f*ing use.
Not all of us live in the U.S of A - hard to believe, but true.
atb,
   Lawrence

On 31 Jan 2004, at 5:41 pm, Brian West wrote:

> Now thats an ugly hack.  Why not just get an X100P :P
>
> bkw
>
>
> On Sat, 31 Jan 2004, Jonathan McHarg wrote:
>
>> There are two stages in the process of getting callerID information 
>> from a
>> standard modem, to be used in Asterisk. The first stage is actually
>> capturing the information from the modem, the second stage is 
>> importing the
>> captured data into Asterisk.
>>
>> Capturing the caller ID details from the modem
>>
>> I will presume at this stage, that you have a modem that supports 
>> caller ID
>> and it is installed and configured to work with your Linux box.
>>
>> Here is my first script that reads the details in...
>>
>> #!/usr/bin/perl
>> $PortName = "/dev/ttyn00";
>> $PortObj =  open(MODEM,$PortName) || die "Can't open $PortName: $!\n";
>> while (1==1) {
>>   local $/ = "\n";
>>   while ($line=<MODEM>) {
>>     chomp;
>>     if ($line =~ s/NMBR = //) {
>>       open(OUTFILE, ">/usr/src/myperl/callerid.txt") or die "Can't 
>> open
>> callerid.txt: $!";
>>       print OUTFILE "$line";
>>       close OUTFILE;
>>     };
>>   }
>> }
>>
>> depending on your setup, you'll need to amend the $portName variable 
>> to
>> point to the port that you've installed the modem on. You also may 
>> want to
>> change the path that the callerid.txt file is written to.
>>
>> Once the script is written, used the chmod A+X callerid.pl to change 
>> the
>> mode so that the program can be executed.
>>
>> Finally run the program with & parameter, to spawn the program as a 
>> new
>> process.
>>
>>
>> Using the callerid.txt file in Asterisk
>>
>> Once the callerid.pl file has captured the callerid data, the number 
>> needs
>> to be loaded into asterisk. This is done using AGI functions within
>> asterisk.
>>
>> Firstly create a perl script as follows.
>>
>> #!/usr/bin/perl
>> open(INFILE, "/usr/src/myperl/callerid.txt") or die "cannot open 
>> file";
>> if ($callerID=<INFILE>) {
>>   print "SET CALLERID $callerID"};
>> close INFILE;
>>
>> once created, this script should be placed in the AGI directory.
>>
>> Finally add a line to your extensions.conf file to call this script, 
>> an
>> example line would be.
>>
>> Exten=>_.,1,agi,getcallerid.pl
>>
>> Hopefully, this should now leave you with CID working !!
>>
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