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Optivity Telephony Manager: System Administration - BT Business

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220 Common services<br />

OTM has been designed to make efficient use of the available TTY ports. Most OTM<br />

applications access a system on an “as required” basis. These applications include<br />

Station <strong>Administration</strong>, CPND, ESN, Corporate Directory, Database Backup and<br />

Restore, and Traffic. The applications make an Ethernet connection to a system and set<br />

up a virtual serial connection for access to the system overlays as required.<br />

Applications such as Alarm Banner, Event Browser, and DBA do not require a PTY<br />

port. A special interface exchanges data between the system and OTM for these<br />

applications. There are two exceptions: Overlay Passthru/Virtual Terminal and<br />

Maintenance Windows. For Overlay Passthru and Virtual Terminal, when a connection<br />

is requested, the connection is established between OTM and the PTY port on the<br />

system. This port is locked until the connection is terminated. Maintenance Windows<br />

does not require access to a PTY port when the application is launched. When you<br />

execute a maintenance overlay command, a connection is established to execute the<br />

command. Once the command has been executed, the connection is terminated.<br />

553-3001-330 Standard 3.00 August 2005

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