... ISDN PRI, G.711, G.729A MX100-TG Trunking voip Gateway With up to 4 E1/T1 digital ... MX100-TG series Digital Media Gateway supports varieties of protocols and codecs, including SIP, ISDN PRI, G.711, G ... .729A, G.723, iLBC, GSM, and G.168, T.30, and T.38. It connects E1/T1-based PBX ... and PSTN to IP telephony networks. It is packaged in a 1U chassis.Applications- PSTN-SIP digital trunking gateway ...