NEC Electra Elite IPK II System User Manual page 369

Electra Elite IPK II
System Availability
Terminals
Remote Analog DTMF (2500 type) telephones
Required Component(s)
DSPII-U10 Unit and VRS Compact Flash (for Announcements)
Related Features
Automatic Route Selection
Central Office Calls, Answering
Direct Inward Dialing (DID)
Direct Inward Line (DIL)
Long Conversation Cutoff
Tandem Trunking (Unsupervised Conference)
Transfer
Voice Response System (VRS)
Programming
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10-09-01 DTMF and Dial Tone Circuit Setup
Reserve at least one circuit for DTMF reception (entry 0 or 2).
Use the following as a guide when allocating DTMF receivers:
In light traffic sites, allocate one DTMF receiver for every 10 devices that use them.

In heavy traffic sites, allocate one DTMF receiver for every five devices that use them.

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11-01-01 System Numbering
Set up a Service Code for Alternate Trunk Route Access.
Direct Inward System Access (DISA)
Document Revision 4C
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