TVP-221H User’s Guide

Appendix A - Technical Specifications

TVP-221H 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 detection/filtering/regeneration (H.323v3/IMTCv1)

 

Data Network Interface

 

 

Physical interface

LAN: 1 (10Base-T/100Base-TX, Auto-Negotiation, Auto MDIX)

 

Protocols

TCP/IP, DHCP, HTTP, DNS

 

Advanced functions

IP Precedence, PLAR, 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

 

LED Indicators

System: 2 Power, System

 

 

LAN: 4, Link/ACT, Speed, Collision

 

 

Voice: 2 per channel (Ringing, Active)

 

Interoperability

Microsoft NetMeeting*; Cisco AS5300, 3600; RADVISION

 

 

gatekeeper; Cisco gatekeeper

 

Dimensions (L X W X H)

241 x 135 x 45 mm (9.5 x 4.3 x 1.8 inches)

 

Weight

1.9 kg (4.2 lb)

 

Input Voltage, AC

90-260 VAC, auto ranging, 50-60 Hz

 

Power Requirement

12V DC, 2.0A

 

Operating environment

Operating temperature: 0° ~ 50° C (32° ~ 122° F)

 

 

Humidify: 90% (non-condensing)

 

Certifications

CE; FCC, UL

 

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TRENDnet VoIP Gateway, TVP- 221H manual Appendix a Technical Specifications, TVP-221H Technical Specifications

VoIP Gateway, TVP- 221H specifications

The TRENDnet TVP-221H is a robust VoIP Gateway designed for seamless communication in both residential and small business environments. This device is engineered to facilitate the transmission of voice calls over the internet, leveraging Voice over Internet Protocol (VoIP) technology to enhance communication efficiency and reduce costs associated with traditional telephony.

One of the standout features of the TVP-221H is its dual FXS ports, which allow users to connect standard analog phones or fax machines directly to the gateway. This ensures compatibility with existing equipment, providing a smooth transition from conventional phone services to VoIP solutions. The device supports a wide range of codecs including G.711, G.723, G.726, and G.729, ensuring high-quality, clear voice transmission suitable for various bandwidth requirements.

The TRENDnet TVP-221H also boasts an intuitive web-based interface, making it easy for users to configure and manage their VoIP settings. This feature provides accessibility for remote management, enabling quick adjustments to settings and ensuring that the system is always optimized for performance. In addition, the gateway supports advanced call features such as call waiting, caller ID, and call forwarding, enhancing overall user experience and functionality.

In terms of security, the device incorporates support for SIP TLS and SRTP, providing encryption for signaling and media streams respectively. This ensures that voice communications are kept secure from potential eavesdropping or tampering, critical in today's digital landscape where privacy is a priority.

The TRENDnet TVP-221H is also designed with quality of service (QoS) features to prioritize voice traffic, ensuring smooth call performance even in environments with heavy internet usage. It also supports automatic provisioning and firmware upgrades, simplifying updates and maintenance workflows.

With its compact design, the device can be easily mounted on a wall or placed on a desk, offering flexibility in installation. Its low power consumption and efficient operation also make it an eco-friendly choice for businesses looking to minimize their energy footprint while enhancing communication capabilities.

In summary, the TRENDnet TVP-221H VoIP Gateway is an essential tool for modern communication, providing reliable performance, advanced features, and a user-friendly experience. Its combination of security, call management capabilities, and ease of use makes it a top choice for anyone looking to improve their telephony solutions.