The function of an SS7 GW is to allow interconnection between the signalling of the PSTN, based on SS7, and the signalling systems of the VoIP networks – either SIP or H.323. Additionally, the SS7 GW must provide connection control for interworki

freeswitch freetdm library, latest version sangoma for pri and ss7 protocols-freeswitch freetdm library, latest version sangoma for pri and ss7 protocols