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TRANSMISSION OF DTMF CODES (OR
END-TO-END SIGNALING)
CALL SERVER : TELEPHONE FEATURES
Ed. 04 3/4Réf. 3EH 21000 BSAA
ADDITIONAL INFORMATION
- When "DTMF end-to-end signaling" is forced in a pre-recorded number, the digits then to be sent
in voice frequencies can be either pre-recorded or dialed by the user when he makes the call.
- The character symbolizing "Forced DTMF end-to-end signaling" is the slash ("/"). This character also
introduces a 5-second pause (non-modifiable) before sending the rest of the number in DTMF end-
to-end signaling; to introduce a 10 second pause: xxxx // xxxx.
- When a number with "Forced DTMF end-to-end signaling" is recorded in the "Redial" or "Temporary
number" memory, the number is transmitted and the end-to-end signaling service activated when
the content of these memories is recalled. However, the digits to be sent in voice frequencies are
not retransmitted if they were dialed by the user at the time of making the call.
- The number of "Forced DTMF end-to-end signaling" characters and digits to be sent in voice fre-
quency format depend on the total number of digits authorized in programming a speed dial entry
or call key and the number of digits forming the directory number of the called server.
- The system makes it possible to program the DTMF end-to-end signaling feature in conversation
which, when it is dialed, enables the activation of the end-to-end signaling and the transmission of
the character "**", frequently requested by the voice servers (see "Configuration").
- DTMF end-to-end signaling:
• when DTMF end-to-end signaling is active for the system or station in conversation, access to
the features in conversation is no longer offered (except for DTMF analog stations that have
access to these features via the intermediate of the "R" key).
• to carry out an enquiry call on a monoline station, DTMF end-to-end signaling must first be
cancelled by pressing on a key programmed "DTMF end-to-end signaling". A multiline station
uses a resource key.
- DTMF end-to-end signaling can be deactivated for the current call by pressing a soft key or
DTMF programmed key n (access to features in conversation and to enquiry calls is performed
as it was before activating this function).
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