TVP-224HR User’s Guide
Appendix A - Technical Specifications
TVP-224HR Technical Specifications
Telephony Interface
Physical interface
Desktop with 4 Analog Ports
• Loop start 2 x FXO (RJ-11)
• Loop start 2 x FXS (RJ-11)
Programmable line
interfaces
Complex line impedance
Protocols
H.323v3 (Normal/fast-start mode)
Supports gateway-gateway direct routing and gateway-
gatekeeper assisted routing mode
Voice coders
support
ITU-T G.711 u-law, G.723.1, and G.729A/B, auto-switching
(Frame-rate/packet: 1 – 8)
Fax
Supports T.30 G3 fax on PSTN Interface; ITU-T T.30 fax
spoofing ; ITU-T T.38
Simultaneous
connections
4 channels voice/fax
Media processing
Gain control; G.168 echo cancellation (16 ms); Voice activity
detection (VAD); Comfort noise generation (CNG); Call progress
detection; DTMF detetection/filtering/regeneration
(H.323v3/IMTCv1)
Data Network Interface
Physical interface
WAN: 1 (10Base-T/100Base-TX, Auto-Negotiation)
LAN: 4 (10Base-T/100Base-TX, Auto-Negotiation)
Protocols
TCP/IP, DHCP, HTTP, DNS
Advanced Function
QoS, Virtual Server, Port Forwarding Special application, DMZ,
DDNS
System
Call Control
Built-in three-tier dialing plan and destination hunting
Supports gatekeeper authorization and accounting
Supports gatekeeper call routing control and gateway mapping
Call accounting information on gateway (via RS-232) or
gatekeeper
Management
RS-232 (DCE mode)
Built-in HTTP Web-based remote management
Telnet remote management
System upgrade
Flash memory and built-in TFTP allowing firmware and feature
upgrade via network
Chassis
Metallic 9.5" Desktop
Dimensions (L X W
X H)
241 x 135 x 45 mm (9.5 x 4.3 x 1.8 in.)
Weight
1.9 kg (4.2 lb)
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