System interfaces
43
System functions and features as of R3.0
syd-0367/1.3 – R3.0 – 03.2013
2. 2. 2 Analogue terminal interfaces
This 2-wire interface supports the following off-the-shelf analogue terminals:
• Analogue phones with DTMF or pulse dialling (earth key is not supported)
• Analogue radio units for cordless phones
• Two-wire door intercoms with DTMF control functions
• Group 3 fax machines
1)
• Answering machines
•Modem
No call charges are transmitted to the connected terminals via analogue terminal
interfaces.
CLIP display is possible (see Technical Data in the Aastra 415/430 System Manual or
the Aastra 470 System Manual).
One analogue terminal interface per communication server can be configured for
connecting a general bell.
Fig. 16 FXS terminal interface
1)
Transmission with the T.38 protocol is recommended for Fax over IP.
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