ET 200X(L) Series Digital Gateway User Manual
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1 Overview
1.1 What is ET-200X(L)
ET-200X(L) Digital Gateway is an open source asterisk-based VoIP Gateway solution for operators and call
centers. It is a converged media gateway product. This kind of gateway connects traditional telephone
system to IP networks and integrates VoIP PBX with the PSTN seamlessly. With friendly GUI, users may
easily setup their customized Gateway. Also secondary development can be completed through AMI
(Asterisk Management Interface). ‘X’ means the number of T1/E1 port. ‘L’ stands for none hardware
codec
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V100 module.
It is developed with a wide selection of codecs and signaling protocol, including G.711A, G.711U, G.729,
G.722, G.723 and GSM. It supports PRI/SS7/R2 protocol. ET-200X(L) Digital Gateway has good processing
ability and stability and we provides 1/2/4/8 T1/E1 interface for your choice. The T1/E1 gateway will be
100% compatible with Asterisk, Elastix, trixbox, 3CX, FreeSWITCH SIP server and VOS VoIP operating
platform.
1.2 Sample Application
Figure 1-2-1 Topological Graph