Trendnet TVP-224HR User Manual

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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