DEFINITY AUDIX System Release 4.0 | Issue 1 |
System Description Pocket Reference | May 1999 |
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Design and Operation |
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Hard Disk Drive | |
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Networking features. In its maximum configuration, the DEFINITY AUDIX system can connect through this Digital Networking channel to up to 100 remote systems, or nodes.2
Digital Networking offers several advantages over AMIS Analog
Networking:
■Digital Networking is more secure than AMIS Analog Networking.
■Digital Networking uses Lucent Technologies’ Digital Communications Protocol (DCP) to send subscriber profiles and message status information along with messages, while AMIS does not send this information.
■Digital Networking messages have higher voice quality than AMIS messages because Digital Networking uses CELP encoding.
There is one important consideration, however, for customers who want to use Digital Networking. If customers use Digital Networking, the DEFINITY AUDIX system will have a maximum of 8 voice ports, rather than 12. Table
Table 2-1. Maximum Voice Ports and Digital Networking Ports
| Digital Networking ports | Voice ports | |
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Without Digital Networking | 0 | 121 | |
With Digital Networking | 1 | 8 |
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1.In switch releases earlier than Version 2, the system has a maximum of 8 voice ports.
High-speed Digital Networking Connections
The DEFINTIY AUDIX system offers three types of Digital Networking configurations: DCP Mode 1, DCP Mode 2, and DCP Mode 3.
DCP Mode 1 and DCP Mode 3 connections are
2.This configuration is only available with