User Guide

8 Voice Gateway / Pocket Voice Gateway
2.1. Voice Gateway Features
Supports
• G.711/G.723.1/G.729A voice compression algorithm
• Multiple VoIP protocols: H.323, H.225.0, Q.931, H.245, RTP/RTCP,
H.450*, H.235*, MGCP 1.0: MGCP, SDP, RTP/RTCP
• Multiple UI/GUI for management and configuration: Web Console,
Telnet, Console, Phone Set, SNMP.
• Voice: DTMF detection and generation, G.168 compliant echo can-
celler, silence detection (VAD) and CNG, Call Progress and User
Tone Generation, Caller ID (optional), FoIP supporting T.30 & T.38
Fax Relay (optional)
• Telephony Supplemental services: Inner Conference Call, Speed Dial,
Redial, Call Back, Distinct Ring, Call waiting*, Call Holding*, and
Call Forwarding*
• Supports multiple languages for phone set configuration (phone num-
ber report & speed dial), voice record & playback*, and voice mail*
Provides
• Two 10/100 Base-T Fast Ethernet RJ-45 interfaces — WAN & LAN
• One UART RJ-45 connector console interface
• One or four RJ-11 POTS interfaces, FXS and FXO available
FXS only: 2 or 4 FXS port
FXO/FXS: 1 FXO i/f and 1 or 3 FXS port
FXO only: 2 or 4 FXO port
2. Features