Protocol: Standard SIP 1.0/2.0; PRI network side/user side; R2. Voice codec: Standard G.711A/U, G.723.1, G.729A/B, iLBC (optional) Supporting VAD(Voice Activity Detection), CNG (Comfort Noise Generation), Dynamic Jitter Buffer. Hardware interface: Two FE0/FE1 interfaces connecting to L3/L2 exchange of IP metropolitan area network (MAN), also called business interface or network management interface; several E1/T1 interfaces (1/2/4 * E1/T1 interfaces optional). High compatibility: Capable of intercommunicating with different manufacturers softswitch system. Security guarantee: Username, password digit encrypt protect, incoming call authenticate by ip address or password
MTG200 series is a kind of digital trunking gateway based on embedded operating system, purposely designed for IPPBX(asterisk, elastix and freeswitch) and call centers. It supports standard SIP protocol, with large-capacity carrier class telephone trunking gateway functions. Currently it has 1/2/4 optional E1/T1 interfaces and can realize intercommunication with mainstream manufacturers softswitch system, and interwork with carrier’s local Telephone exchange by PRI interface.