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    public emergency telephone system

    IP highway system
    IP highway system

    2022-05-19

    Highway IP network broadcasting system/Highway IP network emergency telephone intercom system, the selection, and setting off the highway background music...

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    Tags: Utility Tunnel Emergency Telephones / IP PBX Telephone System/ Fiber Network Switch/ SIP Voice Gateway/ Highway Telephone System/ Explosion-Proof Telephone/ SOS Emergency Telephone/ School Telephone System / Scenic Spot/Park Telephone System

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    Address: No. 686, Longfei Avenue, Longcheng Street, Longgang District,Shenzhen City, Guangdong Province

    E-mail: telphonesystem@hotmail.com

    Tel: +86 19129355807

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