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    Wireless handheld network telephone

    DB-4G

    Product Introduction

    Overview:

    Adopting a 2.4-inch color screen design, with strong color perception and clear visibility, it is more comfortable to use. It supports 3 SIP lines and can register 3 SIP accounts. It also supports free account switching and only supports the insertion of 2 SIM cards. It supports 4G full network communication and has simultaneous incoming calls of 4G and VOIP. When either party of the 4G and VOIP calls is connected, the other party can also call in. Supports Volte high-definition calls, allowing you to enjoy high-definition sound quality without the need for the microphone to be close to your ear. With one click hands-free calling, release your hands and chat freely, as you please. Supports 3-party audio conferences, allowing members to be added at any time for more convenient communication. Supports voice messaging, voice message reminders, and the ability to view voice messages at any time. Insert the TF card, turn on automatic recording in VOIP settings, or manually click start recording during a call to save the recording file to the TF card. Support browser remote management, computers can remotely log in to the phone through the browser to complete initialization and maintenance of various settings, equipped with a 1600mAH large capacity detachable battery, long-lasting battery life, standby up to 100 hours, and call duration of 5 hours. Backclip design, detachable at any time, and charging base with bullet shaped design, making the phone present a perfect angle


    Product features:

    l Supports 4G+VOIP dual mode simultaneous online.

    l Adopting a color display screen with strong color perception, making it more comfortable to use.

    l High definition hands-free calling, one click release of hands, free to chat freely, as you please.

    l Supports 3-party audio conferencing.

    l Support remote management on the web side.

    l Equipped with a 1600mAH large capacity detachable battery, long-lasting battery life, and 5 hours of talk time.


    Parameters:

    l Screen resolution 240×320

    l 3 standard SIP lines

    l Dual SIM card

    l 3 party audio conference

    l Power supply voltage DC5V, 1A

    l Audio encoding:G.722,GSM,PCMA,PCMU,G.729AB,iLBC,AMR,DTMF

    audio coding G.722,GSM,PCMA,PCMU,G.729AB,iLBC,AMR,DTMF