• Grandstream HT814 Analog Telephone Adapter is an easy to use 4-port ATA with an integrated Gigabit NAT router that replaces Grandnstream's HT704. Anyone looking to convert their existing analog technology into a VoIP system would benefit from this powerful ATA.
• 4 FXS ports
• Integrated Gigabit NAT Router
• Automated provisioning options
• Strong AES encryption with unique security certificate per unit
• 3-way voice conferencing per port
• Supports T.38 Fax for reliable Fax over-IP