RFC 3261 mentions that From/To headers, without the tag, can be changed >-----Original Message----- >From: [EMAIL PROTECTED] >[mailto:[EMAIL PROTECTED] On Behalf Of >[EMAIL PROTECTED] >Sent: Wednesday, December 13, 2006 8:57 AM >To: sip-implementors@cs.columbia.edu >Subject: [Sip-implementors] From/To header manipulation > >Hi, > >Can we change the From/To header value (caller id part and not >from tag) after dialog is established. >My understanding is except tag anything can be changed in From header. > >We have requirement to show different caller id in case of >transfers where A is first connected to B so A will have B's >id in To header and when A is finally connected to C it should >show C's id. How can we communicate using >>From and To headers only, many phones are not supporting P-Asserted >Identity header for this purpose. > >Regards, >Udit >_______________________________________________ >Sip-implementors mailing list >Sip-implementors@cs.columbia.edu >https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors >
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