Zuñiga, Guillermo <guillermo.zun...@cwpanama.com> writes: > I was trying to look for information about what means the numbers that > appear in some cases in the FROM header of the INVITE with the > following (pstn-params=8084818088). > > From: <sip:2345678@10.10.10.1;pstn-params=8084818088>;tag=SDh25j501-gK0a3ed144 > > Could you help to identify where I can get information about this? > Cause in some case numbers are differents.
I've never seen it before. A search only turns up an assertion that it can be included in INVITEs by Sonus SBCs: https://support.sonus.net/display/SBXDOC61/Sip+Headers+And+Parameters+-+Flags "If enabled, the SBC includes a set of specific PSTN parameters in a pstn-params= entry in outgoing INVITE messages. The PSTN parameters currently included in pstn-params are Screening Indicator, ISDN Indicator, and Transmission Medium Requirement (TMR). The options are:" Dale _______________________________________________ Sip-implementors mailing list Sip-implementors@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/sip-implementors
