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Description
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. Does not support caller ID in DID mode.
DID port is used to provide off-premises DID connection from central office. Serves only incoming calls from the PSTN. Does not support caller ID in DID mode.
Specifications
Features | |
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Product type | Voice network module |