Oki OKIFAX4550 Maintenance Manual page 86

1) TEL/FAX automatic switching
This function is used for the purpose of TEL/FAX automatic switching as follows.
(1) If the machine detects a call with a CNG signal indicating an auto send facsimile call, it
starts an automatic document receiving operation.
(2) If machine detects a call without a CNG signal, machine generates the buzzer sounds
as a telephone call. The calling person can hear a "ring back" tone within a
predetermined time.
If the operator at the called side does not lift the handset within the predetermined time, the
machine
Voice conversation will automatically be available through the internal handset by lifting up
the handset while the call buzzer is sounding.
Note 1:
2:
3:
4:
41309401TH Rev.4
automatically starts a document receiving operation.
The predetermined time is selectable between 20 or 35 sec.
(Function program No. 10)
No ringing signal is sent to the external telephone handset.
Choice of message sending level. The level is selectable from 0 to 15 dB in one
dB step.
(Technical function No. 22)
TEL/FAX mode is available by Technical Function No. 08.
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