Grandstream HT814 ATA 

Grandstream HT814 Analog Telephone Adapter is an easy-to-use 4-port ATA with an integrated Gigabit NAT router. Convert existing analog technology into a VoIP system with the HT814. It provides excellent voice quality with its wide-band HD codec. Create an efficient and powerful VoIP network. The HT814 replaces Grandstream's HT704.

Grandstream HT814 ATA Features & Specifications:

• 4 FXS ports
• Integrated Gigabit NAT Router
• Automated provisioning options
• Strong AES encryption with a unique security certificate per unit
• 3-way voice conferencing per port
• Supports T.38 Fax for reliable Fax over IP