TVP-221H User’s Guide

Application 1: Special FXS Connections

The following diagram illustrates two different types of connections. The SITE A FXS Connection shows the normal connection between a gateway and telephone set (POTS) or FAX machine. The other type of FXS connection is shown on SITE B, on the right hand side. The Connection between the gateway and PBX has a special CO trunk interface card. The telephone sets connected to PBX can be either POTS or digital telephone depending upon the PBX capability.

TVP-224HR

Site A

Site B

TVP-221H

FXS Connection

 

 

w/ CO Trunk

Normal FXS

Interface Card

Connection

 

Application 2: FXO Connections

Application 2 has three possible connections. One Site A, the FXS connection to analog devices is normal and is identical to connections mentioned in Application

1.On Site B, the connection between PSTN and PBX is also a normal connection. The last connection is between PBX and the gateway which uses the internal analogue lines of the PBX. In this case, the FXO port has to be used.

Note: If a digital PBX is used, an analog terminal adapter is needed to provide an analog interface to the FXO port. Please consult with your PBX supplier.

In this application, the caller on Site A, can make a call using a device connected to a FXS port on the Site A gateway. The call will be routed to the Site B Gateway, through a FXO port and passed on to the PBX system. The PBX system will then forward the call to the dedicated terminal / extension.

TVP-224HR

Site B

Site A

Normal

TVP-221H

FXO Connection

 

Normal FXS

 

Connection

 

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TRENDnet TVP- 221H, VoIP Gateway manual Application 1 Special FXS Connections, Application 2 FXO Connections

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.