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Provide an IP Network Connection for Analog Telephone Devices The ATA-100 is an analog telephone adapter that connects an analog telephone device to an IP network, enabling SIP-supported VoIP communication in applications where connecting to an existing FXS port is not possible or practical. In addition, the ATA-100 has an RJ-11 port for switching to the PSTN analog phone network via touch tone commands. Device programming is handled by a built-in web browser. IP address assignment can be accomplished either by DHCP or by manually assigning a static IP address. The ATA-100 can be used with or without SIP registration. If unregistered, the ATA-100 can perform basic tasks like sending voice data to an IP-PBX or to another device on a LAN. SIP registration opens up an impressive list of calling features and also enables internet telephone calling.

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