check this web site. http://www.tech-invite.com/
hope it helps Cheers On Tue, Jun 2, 2009 at 2:59 AM, Avasarala Ranjit-A20990 <ran...@motorola.com > wrote: > Hi > > You can refer to these links > > SIP-H323 interworking: RFC 4123 > SIP-QSIG interworking: RFC 4497 > > Regards > Ranjit > > -----Original Message----- > From: sip-implementors-boun...@lists.cs.columbia.edu [mailto: > sip-implementors-boun...@lists.cs.columbia.edu] On Behalf Of Rodriguez > Merchan, Pedro Julian > Sent: Sunday, May 31, 2009 6:34 PM > To: sip-implementors@lists.cs.columbia.edu > Subject: [Sip-implementors] Signaling SIP-ISDN > Gateway.SupplementaryServices. > > Hi, > > Could you help me about making Gateway ISDN supplementary services betwen > SIP and ISDN (Q931/QSIG)? > > I need to invoke isdn (Q931 HOLD/RETREIVE,3PTY,TRANSFER and CFU) from > SIPphone accross myself developed ISDN/SIP_GATEWAY or any commercial > product. > > Is there any standart about Interworking betwen SIP and ISDN(Q.931) > supplementary services control? > > Is there any standart about a reserved SIP messages for this purpose? INFO, > REFER¿? > > If anybody know a workaround. > > I have searching about this issues but im frustrated. > > Thank you very much > > Best regards > _______________________________________________ > Sip-implementors mailing list > Sip-implementors@lists.cs.columbia.edu > https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors > > _______________________________________________ > Sip-implementors mailing list > Sip-implementors@lists.cs.columbia.edu > https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors > _______________________________________________ Sip-implementors mailing list Sip-implementors@lists.cs.columbia.edu https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
