详细信息
1）同2个E1单个模块;
2）支持SIP，H323，7号信令，ISDN PRI，V5.2等;
3）传真支撑38吨和通过;
4）双音多频;

描述
VoIP媒体中继网关包含了共四款车型，MG800-102就是其中之一。 它包含单模块2E1，支持SIP，H323，SS7，PRI等。 这款产品的尺寸为宽19英寸，heighth- 1U。
GNEX-MG800102是新一代小容量媒体网关，具有强大的处理器，嵌入式操作系统。 它locats PSTN和IP网络的接口上，SS7之间提供（ISDN PRI，CAS V5.2）和SIP协议的转换。 以及所述PSTN和IP网络之间的媒体传输。 它也可以支持64 VoIP信道并发同时。

特征
`信令支持：
-SS7 SS7（ITU-T Q. 700系列）
-ISDN-PRI（ITU-T Q. 931，问：921）
-V5.2（ITU-T G. 964，G 965）
`VoIP协议的支持：
-sip（RFC3261，RFC3362（T. 38），RFC2833（DTMF））;
-Code：G.711μ律和A律，G. 711附录1 G. 723.1和G. 723.1附件A，G 729附件A和B，G。726;

功能
`回声消除：G. 168 128毫秒的网络回声消除;
`传真支持T38和通过;
`通用语音活动检测（VAD）;
`通用舒适噪音产生（CNG）;
`呼叫控制：被叫/主叫方号码翻译; 第二阶段拨号，与DTMF，回铃音自动拨号。

物理规格

图1 ITSP到PSTN

图2的VoIP网络的分行

图3 IPCC的媒体网关

图4会议桥解决方案

Detailed Product Description
1) With a single module of 2 E1;
2) Support SIP, H323, SS7, ISDN PRI, V5.2, etc.;
3) FAX support T. 38 and pass through;
4) DTMF;

Description
VoIP Media Trunk Gateway contains a total of four models, MG800-102 is one of them. It contains single- module 2E1, support SIP, H323, SS7, PRI and so on. The dimension of this product is width 19-Inch, heighth- 1U.
Gnex-MG800102 is a new generation of small-capacity media gateway, with a powerful processor , embedded operating system. it locats on the interface of PSTN and IP network, providing between SS7 (ISDN PRI, CAS, V5.2 ) and SIP protocol transform. as well as media transfers between the PSTN and IP network. it can also support 64 VoIP channels concurrency at the same time.

Features
`Signaling support:
-SS7 SS7 (ITU-T Q. 700 series)
-ISDN-PRI (ITU-T Q. 931, Q. 921)
-V5.2 (ITU-T G. 964, G. 965)
`VoIP protocol support:
-SIP (RFC3261, RFC3362 (T. 38) , RFC2833 (DTMF) ) ;
-Code: G. 711µ-Law and A-Law, G. 711 Appendix 1, G. 723.1 and G. 723.1 Annex A, G. 729 Annex A and Annex B, G. 726;

Function
`Echo Cancellation: G. 168 128 ms Network Echo Canceller;
`FAX Support T38 and pass through;
`Generic Voice Activity Detection (VAD) ;
`Generic Comfort Noise Generation (CNG) ;
`Calling control: Called/ Calling party number translation; second stage dialing, Autodialing with DTMF, Ring Back tone.

Physical Specification

Figure 1 ITSP TO PSTN

Figure 2 VoIP Network for Branches

Figure 3 Media Gateway of IPCC

Figure 4 Conference Bridge Solution