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    Making integrated IP solutions easy and manageable, our HT series of Analog Telephone Adapters are trusted and deployed by some of the largest service providers in the world. Integrate individual analog phones to a home or office environment with these simple to deploy solutions.

    New HT841/HT881

    HT841/HT881

    HT841/HT881

    HT841 HT881 3

    • Supports 3 SIP profiles through 1 FXS port and 4/8 FXO ports
    • High-performance NAT router
    • Lifeline support (FXS port will be hard-relayed to FXO port) in case of a power outage
    • 3-way voice conferencing per port
    • Automated & secure provisioning options using TR069
    • Supports T.38 Fax for reliable Fax-over-IP
    • Failover SIP server automatically switches to secondary server if the main server loses connection
    • Strong AES encryption with security certificate per unit
    new HT818 v2

    HT818 v2

    HT818 v2

    HT818 v2_3

    • Supports 2 SIP profiles and 8 FXS ports
    • Strong AES encryption with security certificate per unit
    • Automated & secure provisioning options using TR069
    • LED Indicators - POWER, NET1, NET2, PHONE1, PHONE2, PHONE3, PHONE4, PHONE5, PHONE6, PHONE7, PHONE8
    • 3-way voice conferencing per port
    • Exceptional voice quality with wide-band HD codec
    • Supports T.38 Fax for reliable Fax-over-IP
    • Supports dual Gigabit network ports
    • High performance NAT router
    HT818

    HT818

    HT818

    ht818_front_web

    • Supports 2 SIP profiles and 8 FXS ports
    • Strong AES encryption with security certificate per unit
    • Automated & secure provisioning options using TR069
    • 3-way voice conferencing per port
    • Exceptional voice quality with wide-band HD codec
    • Supports T.38 Fax for reliable Fax-over-IP
    • Supports dual Gigabit network ports
    • High performance NAT router
    new HT814 v2

    HT814 v2

    HT814 v2

    HT814 v2_3

    • Supports 2 SIP profiles through 4 FXS ports and dual Gigabit ports
    • Includes a built-in NAT router which can handle routing speeds up to 100MBps
    • TLS and SRTP security encryption technology to protect calls and accounts
    • LED Indicators - POWER, NET1, NET2, PHONE1, PHONE2, PHONE3, PHONE4
    • Automated provisioning options include TR-069 and XML config files
    • Supports 3-way voice conferencing
    • Failover SIP server automatically switches to secondary server if main server loses connection
    • Supports T.38 Fax for creating Fax-over-IP
    • Supports a wide range of caller ID formats
    • Use with Grandstream’s UCM series of IP PBXs for Zero Configuration provisioning
    HT814

    HT814

    HT814

    ht814_ports_website

    • Supports 2 SIP profiles through 4 FXS ports and dual Gigabit ports
    • Includes a built-in NAT router which can handle routing speeds up to 100MBps
    • TLS and SRTP security encryption technology to protect calls and accounts
    • Automated provisioning options include TR-069 and XML config files
    • Supports 3-way voice conferencing
    • Failover SIP server automatically switches to secondary server if main server loses connection
    • Supports T.38 Fax for creating Fax-over-IP
    • Supports a wide range of caller ID formats
    • Use with Grandstream’s UCM series of IP PBXs for Zero Configuration provisioning
    HT813

    HT813

    HT813

    ht813_back_web

    • Supports 2 SIP profiles through 1 FXS port and 1 FXO port
    • Dual 100Mbps LAN and WAN ports
    • Lifeline support (FXS port will be hard-relayed to FXO port) in case of power outage
    • 3-way voice conferencing per port
    • Automated & secure provisioning options using TR069
    • Supports T.38 Fax for reliable Fax-over-IP
    • Failover SIP server automatically switches to secondary server if main server loses connection
    • Strong AES encryption with security certificate per unit
    new HT812 v2

    HT812 v2

    HT812 v2

    HT812 v2_3

    • Supports 2 SIP profiles through 2 FXS ports and dual Gigabit ports
    • Includes a built-in NAT router which can handle routing speeds up to 100MBps
    • TLS and SRTP security encryption technology to protect calls and accounts
    • LED Indicators - POWER, NET1, NET2, PHONE1, PHONE2
    • Automated provisioning options include TR-069 and XML config files
    • Supports 3-way voice conferencing
    • Failover SIP server automatically switches to secondary server if main server loses connection
    • Supports T.38 Fax for creating Fax-over-IP
    • Supports a wide range of caller ID formats
    • Use with Grandstream’s UCM series of IP PBXs for Zero Configuration provisioning
    HT812

    HT812

    HT812

    ht812_top_website

    • Supports 2 SIP profiles through 2 FXS ports and dual Gigabit ports
    • Includes a built-in NAT router which can handle routing speeds up to 100MBps
    • TLS and SRTP security encryption technology to protect calls and accounts
    • Automated provisioning options include TR-069 and XML config files
    • Supports 3-way voice conferencing
    • Failover SIP server automatically switches to secondary server if main server loses connection
    • Supports T.38 Fax for creating Fax-over-IP
    • Supports a wide range of caller ID formats
    • Use with Grandstream’s UCM series of IP PBXs for Zero Configuration provisioning
    new HT802 v2

    HT802 v2

    HT802 v2

    HT802 v2_3

    • Supports 2 SIP profiles through 2 FXS ports and a single 10/100Mbps port
    • TLS and SRTP security encryption technology to protect calls and accounts
    • Automated provisioning options include TR-069 and XML config files
    • LED indicators - POWER, NET, PHONE1, PHONE2
    • Supports 3-way voice conferencing
    • Failover SIP server automatically switches to secondary server if main server loses connection
    • Supports T.38 Fax for creating Fax-over-IP
    • Supports a wide range of caller ID formats
    • Use with Grandstream’s UCM series of IP PBXs for Zero Configuration provisioning
    HT802

    HT802

    HT802

    ht802_front_web

    • Supports 2 SIP profiles through 2 FXS ports and a single 10/100Mbps port
    • TLS and SRTP security encryption technology to protect calls and accounts
    • Automated provisioning options include TR-069 and XML config files
    • Supports 3-way voice conferencing
    • Failover SIP server automatically switches to secondary server if main server loses connection
    • Supports T.38 Fax for creating Fax-over-IP
    • Supports a wide range of caller ID formats
    • Use with Grandstream’s UCM series of IP PBXs for Zero Configuration provisioning
    new HT801 v2

    HT801 v2

    HT801 v2

    HT801 v2_3

    • Supports 1 SIP profile through a single FXS port and a single 10/100Mbps port
    • TLS and SRTP security encryption technology to protect calls and accounts
    • Automated provisioning options include TR-069 and XML config files
    • LED Indicators - POWER, NET, PHONE
    • Supports 3-way voice conferencing
    • Failover SIP server automatically switches to secondary server if main server loses connection
    • Supports T.38 Fax for creating Fax-over-IP
    • Supports a wide range of caller ID formats
    • Use with Grandstream’s UCM series of IP PBXs for Zero Configuration provisioning
    • Supports advanced telephony features, including call transfer, call forward, call-waiting, do not disturb, message waiting indication, multilanguage prompts, flexible dial plan and more
    HT801

    HT801

    HT801

    ht801_front

    • Supports 1 SIP profile through a single FXS port and a single 10/100Mbps port
    • TLS and SRTP security encryption technology to protect calls and accounts
    • Automated provisioning options include TR-069 and XML config files
    • Supports 3-way voice conferencing
    • Failover SIP server automatically switches to secondary server if main server loses connection
    • Supports T.38 Fax for creating Fax-over-IP
    • Supports a wide range of caller ID formats
    • Use with Grandstream’s UCM series of IP PBXs for Zero Configuration provisioning
    • Supports advanced telephony features, including call transfer, call forward, call-waiting, do not disturb, message waiting indication, multilanguage prompts, flexible dial plan and more