
Panasonic Digital Business System - Operating Instructions
March 1997 Issue 24
121
Internal DTMF Dialling From SSDs And PSDs
It is now possible to send DTMF signals internally from SSDs and PSDs on the DBS. This will allow single key
access to voicemail systems to be set up.
To do this the destination extension is stored, followed by a DTMF send key and the DTMF to send. The DTMF
can include 1 - 9,0,*,# and REDIAL (pause). The DTMF tones are 250ms mark / 250ms space and the pause time
is the voicemail pause timer introduced in v4.0.
When using a memory to send internal DTMF in this way the keypad of the extension is disabled until dialling is
complete and if the extension is a display keyset the LCD is blank. The blank LCD will keep passwords secret.
When dialling the tones can be audible or silent dependant upon system program setting. If the memory is sent
during a conversation the contents will be DTMF dialled over the speech.
Memories can be ‘chained’ together provided that the total length of the combined memories does not exceed 24
digits.
When an SSD is used in this manner it does not increment the SSD use counter which can be viewed from the
operator extension, this counter is only for external calls.
The facility can also be used over an E&M link, in which case the DTMF is sent after E&M answer is received and
any stored pause ignored.
This facility will operate to any extension. However if the extension is set to forward to voicemail it will not operate,
thus avoiding a repeating loop to voicemail.
The SSD or PSD can be stored via system programming, by keyset extensions or by the operator with DSS. The
operator must store entries for SLTs.
When storing from a keyset the DTMF sending key is MIC, from a DSS it is the 5th key from the left of the top row
(‘E’).
The programming steps for storing SSDs and PSDs have not changed.
The caller dialling the SSD or PSD can be prevented from hearing the DTMF tones by programming setting by a
qualified engineer.
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