Cisco VIC3-4FXS/DID 4-Port FXS and DID Voice Interface Card; FXS port is used to connect directly to phones, fax machines, and key systems. Generates battery polarity reversal and caller ID. DID port is used to provide off-premises DID connection from central office. Serves only incoming calls from the PSTN. Supports caller ID.
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Unit 2, 153 Beauchamp Road
Matraville, NSW, 2036 Australia