Specifications

Real Tone Technology Co., Lted www.realtonetech.com
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PBX functions such as hunting group, second stage dialing, internal communications, caller ID
(FSK/DTMF), call transfer, call waiting, call hold, call barring, caller ID restriction hotline,
corporate CRBT and etc;
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FXO related functions such as PSTN failover, gain control, busy tone detection, voice prompt in
inbound calls, polarity reversal detection;
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Media stream processing functions such as RTP redundancy, packet loss compensation,
G.711/G.729A/G.723.1/iLBC/GSM voice codec, echo cancellation, and etc.
WSS Gateways support local and remote, distributed and centralized management modes, including
Web access management, command line configuration based on Linux OS, auto-provision for
firmware upgrade and configuration management based on TFTP/FTP/HTTP, TR069 based ACS.
1.2
Functions and Features
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Connect analog telephone, PBX, facsimile machine and POS machine to the IP core network, or
PSTN;
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Work with service platform to provide various telephone supplementary services;
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Support SIP and MGCP protocols;
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Support FXS and FXO interfaces;
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Support static IP address configuration or dynamically obtain an IP address through DHCP and
PPPoE;
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Support G.711, G.729A, G.723.1, GSM, iLBC;
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Support echo cancellation;
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Up to 100 routing rules can be stored in gateways;
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Support digitmap;
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Support intercom;
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Support full-capacity concurrent calls;
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Support T.30/T.38 fax mode;
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Support multiple local and remote maintenance & management modes such as Web, Telnet,
auto-provision, and TR069 clinet;.
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Support several encryption methods;
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Support call progress tones for various countries and regions;
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Support FXO second stage dialing or voice prompt;
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Support PSTN failover through FXO ports;
1.3
Equipment Structure
1.3.1 WSS8
WSS8 is the product with smallest capacity in WSS Gateway Series. Designed with small plastic
structure for desktop placement, WSS8 can provide up to 8 analog line interfaces. WSS8 supports the
following types of configuration:
Table 1-2 Common Configuration Combination of WSS8
Models Number of FXS Ports Number of FXO Ports
WSS8-4S 4 0
WSS8-8S 8 0
WSS8-4FXO 0 4