T1 Trunking (with ANI/DNIS Compatibility) 2 - 803
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T1 Trunking (with ANI/DNIS Compatibility)
Description
The T1/PRI Interface ETU gives the system T1 trunking capability. This ETU uses a single
universal slot and provides up to 24 trunk circuits. In additional to providing digital-quality
trunking, the T1/PRI Interface ETU allows you to have maximum trunking capability with
fewer ETUs. This in turn makes more universal slots available for other functions.
You can program each T1/PRI ETU for any combination of the following trunks:
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CO loop start
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CO ground start
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Direct Inward Dialing
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Tie lines
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The T1/PRI Interface ETU uses the first block of 24 consecutive trunks. For example, if you
have an 8COIU ETU installed for trunks 1-8, the T1/PRI Interface ETU will automatically use
trunks 9~32. If you have 8COIU ETUs installed for trunks 1~8 and 17~24, the T1/PRI ETU
will use trunks 25~48. The T1/PRI Interface cannot use trunks 9~16 (even if available) since
they are not part of a consecutive block of 24 trunks. Each T1/PRI ETU requires that 24
consecutive ports be available in the system even if not all the ports will be used otherwise
the ETU will not function.
ANI/DNIS Compatibility
The system is compatible with Telco’s T1 Automatic Number Identification (ANI) and Dialed
Number Information Service (DNIS) services. A compliment to Caller ID service, ANI/DNIS
Compatibility provides:
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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.
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Flexible Routing
Based on the data received, the system can route the incoming ANI/DNIS call to:
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An extension
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An ACD or Voice Mail master extension number
2. Two-wire (four-lead) type 1 tie lines (FIC TL11M) only.
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