LG-Nortel IP LDK-20, Руководство по программированию

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IP LDK-20 Programming Manual System Feature
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2.4.30 Extend CO-to-CO connection
When call is made between two analog CO lines by DISA or Off-net call forward, the call duration is
limited by unsupervised conference timer. After the unsupervised conference timer, the call is dropped
by IP LDK system. This feature enable to extend unsupervised conference time as long as the caller
wants. If this feature is activated, DTMF receiver device is assigned to caller side CO lines.
Operation
When ‘CO to CO unsupervised conference timer extend’ feature is activated, two analog CO lines on
connection hears warning tone before 15 seconds of the unsupervised conference timer expired. the
warning tone is provided to indicate the disconnection.
To extend call duration
Dial unsupervised conference timer extension code(##) and the extension time multiple digit
data(1~9)
IP LDK system re-assigns the unsupervised conference timer to multiple of entered digit. For example,
the unsupervised conference timer is set to 10 minute and the entered digit is 3, then the timer is
extended to 30 minutes.
Condition
1. To use this feature, at least one IDLE DTMF devices must be existed.
2. This feature is only available at analog CO-to-CO connection by DISA or off-net call forward.
Admin Programming
1. Unsupervised Conference Timer Extend Enable 4.5.1.18(PGM 160 – FLEX button 18)
2. Unsupervised Conference Timer Extend Code 3.6.9.6 (PGM 109 – FLEX Button 6)
3. Unsupervised Conference Timer 4.5.3.6(PGM182 – FLEX Button 6)