Categories Mobile Networks VoIP Demystifying SS7 & Sigtran – Part 6 – Calling with ISUP Post author By Nick Post date 28/12/2022 No Comments on Demystifying SS7 & Sigtran – Part 6 – Calling with ISUP A look at carrying useful traffic over SS7 with a quick intro to ISUP Tags ISUP, Signaling, Signaling System 7, SS7