This PABX is capable of receiving external FSK or DTMF Caller ID send from the local telephone company. In order for the Caller ID to work, the user must subscribe to the Local Telephone Company for the service.
External Calls with telephone number of caller transferred to the internal extensions telephone. The internal extension telephone must have DTMF Caller ID detection capabilities.
extension number in the rang from 100 to 999.
Call Restriction — controls what numbers an extension can dial
Limited Call Duration — the system disconnects outgoing calls when the set time expires.
Three-way Conference — 2 internal callers can speak to an external caller.
Internal Call — call from one extension to another ( free of charge)
Call Forwarding — user can program their extension to forward an external or internal call to another telephone extension.
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