VoIP Adapters

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  • Grandstream HT503 Analog Telephone Adapters

    4,889.00 6,022.00

    The HT503 is a hybrid Analog Telephone Adapter (ATA) and VoIP Router. It features both an FXS (analog telephone) port and an FXO (PSTN) port so you can have backup lifeline support using a PSTN line in the case of a power outage. It also integrates 2 10/100 RJ45 ports with an integrated high performance NAT router.

    Grandstream HT503 ATA Features and Functions:

    • 1 FXS analog telephone ports (RJ11), 1 PSTN line FXO port, dual 10/100 Mbps ports with integrated NAT router
    • Advanced telephony features include caller ID, call waiting
    • 3-way voice conference, transfer, forward, do not disturb, message indicator, multi-language voice prompts, T.38 fax, flexible dial plan and more
    • Supports up to 2 SIP accounts
    • Status LED for power, telephone and network ports, and message waiting indication
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    Grandstream HT801 Analog Telephone Adapters

    2,772.00 3,600.00

    The HT801 is a powerful analog telephone adapter that is easily deployable and manageable. It comes equipped with 1 FXS ports to create a high-quality network solution.

    Grandstream HT801 ATA Features and Functions:

    • 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
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    grandstream-ht802-adaptor

    Grandstream HT802 Analog Telephone Adapters

    3,602.00 4,400.00

    The HT802 is a 2 port analog telephone adapter (ATA) that allows users to create a high-quality and manageable IP telephony solution for residential and office environments.

    Grandstream HT802 ATA Features and Functions:

    • 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
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    ht812-analog-telephone-adaptors

    Grandstream HT812 Analog Telephone Adapters

    4,019.00 4,660.00

    The HT812 is a powerful analog telephone adapter designed for users looking to connect their analog devices to a VoIP network in either a home or office. It offers an advanced 2-port analog telephone adapter (ATA) with 2 FXS ports and an integrated Gigabit NAT router.

    Grandstream HT812 ATA Features and Functions:

    • 2 FXS ports
    • Opus wideband codec
    • Dual firmware image for enhanced reliability
    • Unique security certificate
    • Redundant SIP server failover
    • T.38 fax-over-IP
    • Caller ID
    • Auto Provisioning capability
    • Advanced security protection
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    grandstream-ht814-analog-telephone-adapters

    Grandstream HT814 Analog Telephone Adapters

    8,672.00 11,050.00

    The HT814 is a powerful analog telephone adapter designed for users looking to connect their analog devices to a VoIP network in either a home or office.

    Grandstream HT814 ATA Features and Functions:

    • 4 FXS ports with 4 SIP profiles
    • Dual Gigabit network ports and integrated NAT router
    • Features T.38 Fax, 3-way audio conferencing, and a wide range advanced telephony features
    • Automated provisioning options including TR-069 and XML config files
    • Supports ZeroConfig to use with the UCM series of IP PBXs
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    ht818

    Grandstream HT818 Analog Telephone Adapters

    15,482.00 19,352.00

    The HT818 is a powerful 8-port VoIP gateway with 8 FXS ports and an integrated Gigabit NAT router. Built for users looking for a strong analog-to-VoIP converter, it features Grandstream’s market-leading SIP ATA/gateway technology with millions of units successfully deployed worldwide. This powerful gateway carries exceptional voice quality in various application environments, strong encryption with unique security certificate per unit, automated provisioning for volume deployment and device management, and outstanding network performance for enterprise use.

    Grandstream HT818 ATA Features and Functions:

    • 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
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