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4 портовый E1/T1 шлюз WSS100-TG-4E1/T1 VoIP Trunk Gateway
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4 портовый E1/T1 шлюз WSS100-TG-4E1/T1 VoIP Trunk Gateway
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High Performance

Voice processing capability is the most important requirement and measurement for all trunking gateways. WSS100-TG configured with one to four T1/E1 interfaces can maximally process 120 simultaneous VoIP calls. WSS100-TG embeds powerful DSP technology which possesses 4800 MIPS processing power, for full load voice processing to support CODEC (G.711, G.729A, G.723,iLBC,GSM), echo cancellation (G.168), DTMF relay (RFC2833), and fax relay (T.30, T.38) etc.

Rich Features

WSS100-TG supports all kinds of features to satisfy various application requirements. Features include: Calling/Called Party Number Translation, Routing Selection, RADIUS Billing Interface, Second Stage Dialing and Ring-back Tone, DTMF Auto Dial, Tone Detection, RTP voice Proxy (for NAT traversal), T.38 Fax Relay. WSS100-TG supports ISDN PRI and SIP protocols and it is the ideal PSTN trunking gateway for IP phones, PC phones and PBX bridge to VoIP services.


The WSS100-TG supports use-wide ISDN PRI connections to class 4/5 switches such as those offered by Nortel, Lucent, Alcatcl, Siemens, Huawei, ZTE and others. It also supports network-side ISDN connections to ISDN PBXs and supports features such as Caller ID and Direct Inward Dialing.


The WSS100-TG supports wide array of the SIP inclustry standards that enable it to interoperate with SIP-based application servers, media servers and large variety of IADs.


Like other WSS series VoIP products, WSS100-TG has the Web GUI and text configuration interfaces to   upgrade, maintain, download log files and collect statistics remotely.


Key Features

Configuration: Configurable E1 or T1 Interface by WEB

1E1 (30 Channels), 2E1 (60 Channels), 4E1 (120 Channels)

1T1 (24 Channels), 2T1 (48 Channels), 4T1 (96 Channels)


Voice Processing

Voice Codec: G.711, G.729A, G.723.1, GSM,  iLBC

Echo Cancellation: G.168, tail length: 8/16/32/64/128 milliseconds

Dynamic Jitter buffer, Voice Activity Detector (VAD), and Comfort Noise Generator CNG)


Calling Control

Called/Calling Party Number Translation

Second Stage Dialing

Voice Detection

Auto Dialing with DTMF

Ringback Tone

RTP Voice Proxy Function (for NAT/Firewall Traversal)

T.30, T.38 Fax Relay

Radius Interface

Web Based User Interface, Text Based Configuration

HTTP/WEB Mode, Remote Software Upgrade, Alarm, Performance Data

ISDN PRI Standard: ANSI, NI-2, DMS, 5ESS

SIP (RFC3261) , 2976 Info Method, 3515 Refer Method, 3581 Symmetric Response Routing

RADIUS RFC 2866 Accounting

DTMF Digits Transmit: RFC2833, INFO (SIP) , In-Band



Ethernet Interface Connector RJ-45, 10/100 Base-T, 10/100 Auto Sensing

E1/T1 interface  RJ-45

System Memory 128 MB

Flash Memory 64 MB

Central Processor Motorola PowerPC 8250

Digital Signal Processor TI C5509

Input Voltage 110~220V/6A AC, 50~60Hz

Power Consumption 70 Watt (Max)

Dimension ( Height x Width x Depth ) 4.4 x 44 x 44 cm, 1U, 19 formfactor

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