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Realtone WSS100-TG - Gateway VoIP Digital- 1 T1-E1
Realtone WSS100-TG - Gateway VoIP Digital- 1 T1-E1

Realtone WSS100-TG - Gateway VoIP Digital- 1 T1-E1

El WSS100-TG es un Gateway VoIP para medianas y grandes empresas. Posee una interfaz para IP y para T1/E1, haciéndo puente entre paquetes de network a troncales tradicionales de voz en red lo cual incluye PSTN switches clase 4, switches class 5 y numerosos PBXs.

Más detalles



El WS100-TG soporta el protocolo de señalización ISDN PRI para interconección con switches PSTN o PBX y protocolo SIPcomo la interfaz primaria a soft switch. Ha completado éxitosamente pruebas de interoperabilidad con los más avanzados soft switches del mercadeo global.

Main Description:

  • WSS100-TG is designed with form factor and mountable rack in the 19 inch shell.
  • It is equipped with a main control module, an interface slot to house 4-port T1/E1 module (WSS-4T1/E1).
  • It also includes a DSP expansion interface on the main module to incorporate more voice processing power through a DSP sub-module.
  • In addition, WSS100-TG offers redundant power supply option and hot swappable modules to guarantee high service availability.
  • Flexible configuration of one to four E1 / T1.
  • Guarantee 4E1 120 DS0 voice processing with any codec (G.711u/aLaw, G.723.1,G.729,GSM,iLBC,T.38).
  • Ideal PSTN termination for IP phones, VoIP gateway, IPPBX, PBX access.
  • Embeded with RTP voice proxy, Digits translation.
  • Auto Dial and RADIUS billing interface for CDR.

Main Application:

  • Enterprises can benefit from a variety of valuable applications such as PBX extension, remote office connectivity, long distance consolidation and call centers, IPPBX's SIP trunk.
  • Service providers can deploy numerous VoIP applications such as SIP Trunking,Wholesale VoIP Termination, Calling Cards, Tandem Switching and Least Cost Routing.

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 · Voice Proxy RTP. Voice Proxy: Function (for NAT/Firewall Traversal). Fax Processing: T.30, T.38 Fax Relay. Billing: Radius Interface. Gateway Configuration: Web Based User Interface, Text Based Configuration. Remote Provisioning: HTTP/WEB Mode, Remote Software Upgrade, Alarm, Performance Data


  • PSTN Side ISDN PRI Standard: ANSI, NI-2, DMS, 5ESS
  • VoIP Protocol SIP (RFC3261) , 2976 Info Method, 3515 Refer Method, 3581 Symmetric Response Routing
  • RADIUS RFC 2866 Accounting
  • DTMF 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 form factor

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