4 E1 PRI trunking gateway ETG3004

PRI mediaGateway ETG3004 4E1 FreeGo® ETG3004 is a kind ofmedia gateway based on embedded operating system. It supports standard SIP/H.323 protocol, with large-capacity carrier class telephone trunking gateway functions. Currently it supports4 E1/T1 interfaces and can realize intercommunication with mainstream manufacturers softswitch system, and interworkwith carriers local Telephone Exchange by PRI/SS7 interface. Features: Protocol interface: standard SIP 1.0/2.0;H.323 V4 protocol; PRI network side/user side; SS7 TUP/ISUP protocol. Voice codec: standard G.711A/U,G.723,G.729AB.iLibc, supporting voice quality guaranteeing technologies such as VAD (Voice Activity Detection), CNG (Comfort Noise Generation), JitterBuffer and EC, reducing time delay and distortion. 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 (support two to eight E1 interfaces). High compatibility: capable of intercommunicating with different manufacturers softswitch system. Carrier-class access equipment: multi-route control,interval control, call forbid, call numberlimit, number replacement. Security guarantee: as an embedded system it is reliable and stable, won't be disturbed by any virus and provides a good certification mechanism to protect user's interests. Hot standby: double power supplies ensure the system runs normally & reliably. Specification: Dimensions 435mm×500mm×445mm Weight 6.5kg Operating 32-104°For 0-40°C Storage 14-140°For -10-60°C Humidity 10%-90% Power input 85-265 AC,50-60Hz 1.2A Power 40w Network interface 10/100BASE-TX E1/T1 4 Console port R2329600bps