DSX Product Description
Features
◆
75
Features
❥
E&M Tie Line Immediate Start (DTMF and Dial Pulse)
T1 gives the system the advantages of advanced digital calling as well as conserving PCB slots. For exam-
ple, you can set up a system with 12 loop start lines, six tie lines, and six DID lines and use only a single
PCB slot. Additionally, the T1 PCB has its own on-board processor and DSP so it minimally impacts other
system resources.
Note: Although the T1 PCB can connect directly to the telco’s T1 smart jack, your telco may require that you
purchase and install a separate Channel Service Unit (CSU). This unit installs between the smart jack and
the T1 PCB.
ANI/DNIS Support
The system is compatible with telco's T1 Automatic Number Identi
fi
cation (ANI) and Dialed Number Infor-
mation Service (DNIS) services. ANI/DNIS services can be provided on T1 loop start, ground start, and DID
lines (but not E&M). ANI/DNIS Compatibility provides:
❥
Selectable Receive Format
You can set up the system for compatibility with any combination of ANI, DNIS and Dialed Number
(Address) data provided by the telco.
❥
Flexible Routing for DID Lines
For DID lines, the system can route the incoming call based on the received DNIS data and the entries
stored in the DID Translation Table. See
Direct Inward Line
(page 35) for more.
❥
Caller ID
The system can use the received ANI data to display the caller’s number on the called extension’s dis-
play. The ANI data can be up to 10 digits long.
FSK Caller ID
The T1 PCB can also receive FSK-based Caller ID (if provided by the telco), the same as the COIU (analog)
line cards. To receive this type of Caller ID, you must enable DSP Caller ID for the T1 line circuits in pro-
gramming. See the
Programming
below for more.
Tandem Calls / Unsupervised Conference
Tandem Calls allows an extension user to join two outside callers in a line-to-line conference. The extension
user can then drop out of the call, leaving the lines in an Unsupervised Conference. The extension user that
established the Conference is not part of the conversation. The Conference continues until either outside
party hangs up.
Tandem Calls uses a Conference circuit. The following table shows the system’s Conference capacities:
The system’s 32 Conference circuits are dynamically allocated as users request them.
Join two callers in Conference, leave the call and let their conversation continue.
Description
Capacity
Conference circuits
32
Maximum simultaneous users in Conference
(total of all Conferences system-wide)
32
Maximum simultaneous conferences
8
Maximum parties in any one Conference
(lines and/or extensions)
8
Summary of Contents for DSX PRODUCT DESCRIPTION
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