Steve,
Thanks for your help regardin the Caller ID in FROM field in your previous email. It was working with the your suggestion for 'replace' to hard-code the FROM field. I would like to extend it to any users which has a Caller ID (normal phone number) mapping to SIP account and stored in Postgres database. When someone calls from SIP device, I use exec_msg to call the external C program which retrieves the Caller ID related to this SIP account. The problem is how to pass this data back to SER and put into FROM field ? Please advise,
Thanks and Regards,
Larry
From: Steve Blair blairs@isc.upenn.edu To: "lawrence k.y. lin" lawlin888@hotmail.com CC: serusers@lists.iptel.org Subject: Re: [Serusers] Re: How to change Caller ID in FROM field ? Date: Tue, 24 Oct 2006 18:57:42 -0400
You can do this several ways. I use to just completely replace the From header but this screwed up call accounting (for callers with caller ID blocking enabled) which we do in our Cisco gateways. Now I append an Remote-Party-ID header leaving the Fromheader intact for accounting purposes. Try one of the following:
- replace("^From:(.*)>" , "From: "Anonymous"
sip:anonymous@invalid.nowhere");
Where the second string contains whatever you want the caller ID info to be. This example is for caller ID blocking.
if (append_rpid_hf("Anonymous sip:","@upenn.edu;party=calling;id-type=subscriber;screen=yes")) { } else { log(1, "RPID not found\n"); };
Of course this requires other configuration items. You may also want to add the following:
modparam("auth", "rpid_prefix", "<sip:") modparam("auth", "rpid_suffix", "@upenn.edu;user=phone>;party=calling;screen=no;id-type=subscriber;privacy=off") #
-Steve
lawrence k.y. lin wrote:
Hi all,
Appreciate if someone can give me a suggestion or even an answer. Since the call from SIP device to PSTN phone did not have Caller ID and our Telco carriers request for the Caller ID, we have to set a number before the calls are routed to PSTN gateway. I did it in Asterisk before with the function calls SetCallerID(CLID) or Set(CALLERID(number)=CLID) (depends on the Asterisk version) and these function calls worked. But because of the scalabliity issue, I changed to SER and would like to do the similar thing as in Asterisk. I read the SER document and awared SIP_HF_FROM has the data for the entired FROM field. Is there any other variables for Caller ID only ? I searched the mailing list for SER and did not find any related topic (only found one with title: caller-id with raius using sip-rpid, but it is irrelevant).
Thanks in advance.
Larry
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