Panasonic UF-333 - Manual (Page 87)

Distinctive Ring Detector (DRD)
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This function is only effective for companies in countries which offer the DRD Service.
Your machine has a special feature in conjunction with an optional service provided by many local telephone
companies. It can distinguish up to 2 telephone numbers with a corresponding ring pattern identifying each
number. ”DRD” lets you provide multiple phone numbers, one for your fax, business or personal use with only
one single phone line.
Please check with your local telephone company on the availability of this service in your area.
Your machine can be programmed to respond to the specified ring pattern only for the DRD Service. To enable
your machine to detect the ring pattern only for fax communication, change the setting of Fax Parameter No.
30 (see page 34).
The following table shows a typical example with 2 telephone numbers on a single phone line.
Telephone No. Usage Distinctive Ring Sound Ring Pattern
555-1111 Phone Riiing...................................Riiing.................................... Standard Ring
555-2222 Fax Ring... Ring........................ Ring... Ring.......................... Double Ring
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Note: ’’Riiing” means a long ringing sound and "Ring" means a short ringing sound.
The following illustration shows a typical set up, with your machine set to detect ’’double ring” pattern.
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