TVP-221H User’s Guide

After these dial plans are added, users on Site A are able to dial “22 + extension number” to connect to users on site B for free VoIP telephony. Users on Site B are able to call phones on Site A for free VoIP telephony by dialing “11 + extension number”. (Note: There is a Max digit (5) limitation on dial plan which allows the TVP-221H to differentiate with potential PSTN numbers that may start with 11 or 22 but because they exceed 5 digits, they would be handled differently)

The benefits of this dial plan are:

1.Simplified setup

2.VoIP (Free calls to remote site extension)

3.Simplified dialing ensures easy, direct access to remote extensions.

4.Simplified dialing makes remote offices and branches feel like local extensions.

Network Deployment

Two TVP-221H Gateways (Both Gateways are set up with default settings)

1.TVP-221H A, located site A

2.TVP-221H B, located on site B.

Register DDNS name for both Dynamic IPs (See Chapter 4)

tvp1.dyndns.org (xxx.xxx.xxx) is applied for TEW-431BRP on site A

tvp2.dyndns.org (xxx.xxx.xxx) is applied for TEW-431BRP on site B

Clients used in this topology:

TEW-431BRP on site A has PPPoE, and DDNS clients enabled

TEW-431BRP on site B has DHCP, and DDNS clients enabled.

Other considerations for this configuration:

TVP-221H on site A is connected to a LAN port, Virtual Server is enabled.

TVP-221H on site B is connected to a LAN port, Virtual Server is enabled.

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TRENDnet TVP- 221H, VoIP Gateway manual Network Deployment

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.