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4-16
Chapter 4 - SLT Features and Operation
When used with the DTIB-8, the 2-Port Analog Adapter and 2-Port Analog Expansion
each provide 2 dedicated DTMF receivers for decoding the dialed digits from the
connected device. (Each analog port has a dedicated DTMF receiver.) To place calls, the
analog telephone must provide DTMF tone signaling which is decoded by the adapter
for call processing instructions. Twenty-five cycle (frequency) ringing is provided by each
analog adapter for the attached analog device. Since each 2-port adapter provides
dedicated DTMF receivers and ringing generators, and because the system has a non-
blocking digital ICM bus, the single line telephones (SLT) are not traffic sensitive and do
not require special traffic balancing.
Conditions
Any single line (2500 type) telephone equipment can be connected to the system
using the 2-Port Analog Adapter and 2-Port Analog Expansion.
Directory Numbers are assigned to B2 channels for SLT use at default.
When 2-port analog adapter is installed, the first single line extension number from
that adapter is the same as the digital port extension number into which it is
plugged. The second analog extension number is the first number plus 100 (example:
201 and 301, 202 and 302).
Some modems are not compatible with 2-port analog adapters.
Speed Dialing (ABBR)
Speed Dialing (SPD) allows SLT users to store frequently dialed numbers. These numbers
can easily be selected by dialing the Features Access Code plus the Bin Number desired.
Each station can store up to 50 Station SPD Numbers in memory Bins (500-549). Each SPD
Bin may contain up to sixteen (16) digits.
Dialing
1. Lift handset
2. Dial SPD bin number.
Individual (station) numbers = 500-549, Common (system) numbers = 600-699
Storing
1. Lift handset.
2. Dial [#] + [1].
3. Dial SPD bin for programming. Station Speed Dial bins range from (500-549).
4. Enter the desired outside phone number.
Directory Numbers are changed in system programming.
DTIB-8 (2 to1)
Speed D ialing (ABBR)
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