TMX100-AG Trunking voip Gateway 1.With up to 4 E1/T1 digital trunks 2.Digital Media Gateway 3. SIP, ISDN PRI, G.711, G ... .729A MX100-TG Trunking voip Gateway With up to 4 E1/T1 digital trunks, MX100-TG series ... SIP, ISDN PRI, G.711, G.729A, G.723, iLBC, GSM, and G.168, T.30, and T.38. It connects ...