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The FTU 4 connects telephone,TAM and fax / modem to one main line. The incoming call is tested by an electronic switch which connects it automatically, no annoying ringing when a fax comes in. By normal telephone operation the caller is informed by a special tone while the FTU 4 is signalizing an incoming call with a standard ringtone. If the call is not answered within 10 rings (programmable), the connection will be cancelled or passed onto theTAM or to the fax machine. possibility of direct through-dialling (DTMF) to the fax or to the modem transfer to fax machine during a telephone conversation simple installation via direct connection of the end-equipments variable time window for the CNG recognition programmable for automatic, half-automatic or night operation
operation in the following modes possible:
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