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 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

    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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