The Grandstream HT704 4-Port Analog Telephone Adapter brings VoIP capabilities to four analog phones, making it perfect for both home and commercial environments. With high-quality voice and fax support, strong security, and flexible provisioning options, it offers a seamless bridge between traditional telephony and IP networks.

• 4 FXS ports for connecting multiple analog phones to a VoIP network

• T.38 support for reliable Fax-over-IP with fallback to G.711

• Compatible with major voice codecs including G.711, G.723.1, G.729A/B, and iLBC

• Integrated security protocols including SRTP, TLS, and HTTPS

• Compact design with LED indicators and easy remote management