Section 3: Features
Product Description
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3
Single Line Telephones, Analog 500/2500 Sets
Description
The system is compatible with 500 type (Dial Pulse) and 2500 type (DTMF) analog single line tele-
phones (SLTs). You can install single line telephones as On-Premise or Off-Premise extensions.
Single line telephone users can dial codes to access many of the features available to keyset users.
With Single Line Telephones, you can have your system simulate PBX type operation.
When installing single line telephones, you must have:
●
A port on an SLIU PCB for each single line telephone installed.
●
(If you have 2500 sets) At least one block reserved on the NTCPU for analog extension
DTMF reception.
Single Line Telephones - Digital
Description
The digital single line telephone (DSL) can be installed as On-Premise or Off-Premise extensions.
Single line telephone users can dial codes to access many of the features available to keyset users.
With single line telephones, you can have your system simulate PBX type operation. Each single
line telephone installed must have a port on an ESIU PCB.
Aspire
•
Available - 256 single line telephones maximum (may be restricted due to system power requirements).
Aspire
•
Available- 256 single line telephones maximum