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DEFINITY ECS Release 8.2
Administrator’s Guide
555-233-506
Issue 1
April 2000
Features and technical reference
1548Terminal Translation Initialization
20
Data modules
Data modules have different tones and digit sequences.
In the merge and separate control flow, different tones are given to the telephone
user to give the current status of the TTI operation. Instead of audible tones, status
messages are displayed on a telephone connected to a data module when
activating the TTI sequence through keyboard dialing. If the TTI State field is set
to
data, you see the data display messages. If the TTI State field is set to voice,
you hear the tones.
For a stand alone data module, the TTI merge/separate digit sequence is entered in
one line at a dial prompt:
■ DIAL: <TTI feature access code><TTI security code><ext>
Separate prompts are not given for the TTI security code and extension.
Voice/data telephones
A telephone with a data terminal (DTDM) is treated as a telephone in the TTI
merge and separation sequence. The DTDM is merged with and separated from its
hardware translation at the same time the telephone is merged or separated. The
TTI merge and separate sequence can only be initiated through the telephone for
DTDMs; it cannot be initiated through the data port.
ISDN BRI telephones
The TTI separation sequence for Automatic-TEI SPID-initializing BRI telephones
is identical to the sequence used for telephones. However, the merge sequence is
different.
■ Separation sequence
1. Feature Access Code
2. Security Code
3. Extension
■ Merge sequence
1. Connect the telephone to any port to get power.
2. Program the SPID to the extension with which it will be merged.
3. Unplug the telephone (this is necessary even if the telephone is
connected to its intended port).