TRENDnet VoIP Gateway, TVP- 221H manual Voice Codecs

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TVP-221H User’s Guide

tone to the PSTN. This method in which the TVP-221H handles DTMF tone is so called DTMF relay.

The TVP-221H handles DTMF relay per H.323 specifications. Certain third party VoIP devices may handle DTMF relay per IMTC standard. For the TVP-221H to interoperate with those VoIP devices, users need to specify which remote VoIP devices uses IMTC conforming DTMF relay technique. Refer to CLI command Error! Reference source not found. on Chapter 8 for detailed information on how to select DTMF relay mode.

3.7Voice Codecs

Voice codecs supported by the TVP-221H include G.711, G.723.1 5.3kbps, G.723.1 6.3kbps and G.729 AB. When setting up a call, two VoIP Gateways automatically negotiate with each other until an agreement on codec is determined.

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Contents Page FCC Notice CE Declaration of conformity How to Use This Manual TVP-221H 323TVP-224HR Boldface Convention DescriptionTable of Contents Configuring TVP-221H from a WEB Browser TVP-221H User’s Guide ChapterTVP-221H User’s Guide Networking Protocols FeaturesFront Panel Package ContentsIndicator Color Activity Indication Reset ButtonRear Panel Port Label Function LAN / Console PortsNetwork Requirements Installing the TVP-221HConnecting to the telephony devices Connecting to the NetworkAssigning an IP address to the TVP-221H Providing Power to the TVP-221HAtpm How the TVP-221H OperatesDestination Address Table Hunt GroupAddress Hunt Min Entry GrpId Digits Dtmf RelayHunt Group Table Destination TableVoice Codecs PC Setup Http setting modeSpecify an IP address set on Main Menu Function Briefings System Status Internet AccessSelect Home Data Fixed IP address Screen Fixed IP Connection DetailsPPPoE Dhcp ClientDynamic DNS Screen Dynamic DNSData Dynamic DNS Screen H.323 ConfigurationStatus Parameters DNS IP Address Alternate Dtmf IP Address GatekeeperPage Aliases Telephone Table Hunt Group Table Destination Table Dial Plan SettingsDial Plan Setup Telephone Number TableParameter Description Destination ID Table Data Dial in Plar / CID Screen Dial in Plar / CIDDial in Plar Considerations and Limitations Store Dial PlanLine Settings Restore Dial PlanClear Dial Plan Channel Parameters AdministrationAdministration Password Setup / Login Data Administration Password SetupRemote Administration Data Telnet Access ScreenUpgrading Firmware Using the Web Browser Data Upgrade Firmware ScreenTo perform the Firmware Upgrade Interface Speed Click on OK RebootChannel Status HelpDial Plan Configuration ExamplesDefault Dial Plan NetworkHint Making a call with TVP-221H FXS PortWeb Browser Sample Dial Plan Making a call with TVP-221H FXO PortConnection Analogue PBX connects to FXO port 800 Gateway a IP setup Click on Ok Gateway a and Gateway B Dial Plan Tables Hunt Group ID Hunt Type # of Dest IDs Hunt Group ID Hunt Type # of Dest IDs Dest. IDs Case 1 Gateway Phone to Gateway Phone Making a call between Gateway a and Gateway BCase 3 Pstn Phone to Gateway Phone Case 2 Gateway Phone to Pstn PhonePPPoE, DHCP, and Ddns clients VoIP in a Dynamic IP environmentDial Plan Local Telnet from PC in same Segment Local from PC in same Segment ConsoleEnter telnet Enter Username admin Net set pppoe on Local Telnet from PC in same Atpm dadd destid dnsNet set dhcp on. net set dyndns on TVP-221H User’s Guide NAT router with built-in Ddns clientPlease note the following regarding DMZ configuration TVP-221H User’s Guide PC Server Properties EnableClick on Save Virtual Servers MenuWeb Configuration Console / Telnet Network Deployment Enter telnet tvp1.dyndns.org Atpm done Connect RS-232 to TVP-224HR Atpm hadd 11 2 Case 6 Plar Hotline FXO to FXS example Case ScenarioSite a TVP Gateway configuration FXO to FXS Plar Case 7 Plar Hotline FXS to FXO example Site aCase 8 Plar Hotline FXO to FXO example Site B TVP Gateway Configuration FXS to FXO PlarSite a TVP Gateway Configuration FXO to FXO Plar Atpm dadd 20 h323 FXS Foreign Exchange Station Port ConfigurationFXO Foreign Exchange Office Application 2 FXO Connections Application 1 Special FXS ConnectionsLNK LED is not illuminate Power PWR LED is not illuminateLine port LED is not illuminate when pick up the phone There is no dial tone when pick up the phoneFinal Steps TVP-221H Technical Specifications Appendix a Technical SpecificationsFXO Ports Telephony Line Module SpecificationsLAN Port DB-9 pin SignalRJ45 pin Signal Console PortFXO Port Pin Assignments RJ-11 pin SignalFXS Port Pin Assignments Net set userpw pw pw Ping xxx.xxx.xxx.xxx 56 data bytes xxx.xxx.xxx.xxx is alive Appendix C Connecting Through Telnet Command Description Normal Mode CommandsDownload Mode Commands 323 Appendix E Factory Default SettingsParameter Default Setting Serial port FixedTelephony Voice codecIP Parameters Port# Mode Destination IDAppendix F Worksheets Local DestinationsRemote Destinations IP address IP port Mode Destination ID OptionalHunt Group Hunt Type List of Destination IDs Atpm Hunt Group TableAtpm Address Table Atpm aadd tel# mindigits maxdigits huntgroupidAtpm TNV Limited Warranty Year Warranty TVP-221H User’s Guide 100

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.
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