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The compact yet powerful HT704 4-Port Analog Telephone Adapter from Grandstream Networks is designed to give traditional analog telephones the ability to connect to a digital telephone system or a VoIP network. In addition to simply connecting to a VoIP network, this adapter supports a variety of advanced telephony features including caller ID, call waiting, 3-way conference calling, call forward, call transfer, and much more. Comprehensive codec support and enhanced security protection ensure this adapter is compatible with a variety of network configurations, and with a single 10/100 Mbps RJ-45 port you can connect directly to a high-speed router or switch.
Four FXS ports supporting 3 REN and a single 10/100M Ethernet port
LEDs for power, Internet, Link/ACT, and phone status
Advanced telephony features including caller ID, call waiting, 3-way conference, transfer, forward, do not disturb, message waiting indication, multi-language voice prompt, T.38 fax, flexible dial plan
Supports comprehensive codecs including G.711 with Annex I/II, G.723.1, G.729.1, G.729A/B, G.726, iLBC
Strong security protection of voice/data privacy using TLS/SRTP/HTTPS, secure and automated provisioning using TR069 and HTTP/HTTPS/TFTP.
In the Box
Grandstream Networks HT704 4-Port Analog Telephone Adapter