LG LDP7004N/D User Manual

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COS – Class Of Service
7004N/D User Guide | Class Of Service 32
COS Down
This option allows you to ‘lock’ your phone, preventing unauthorised external calls.
1. Press the [TRANS/PGM] button and select option [2] COS followed by option [1] COS 
DOWN.
2. Press the           button.
COS Restore
This option returns your phone to normal service, taking off the lock applied above.
1. Press the [TRANS/PGM] button and select option [2] COS followed by option [2] COS 
RESTORE.
2. Enter your password and the screen should change as per Fig.37
3. Press the           button.
Note: You will need a valid Authorisation Code to use both of these features. Setting up your 
Authorisation Code is described on page 39 of this user guide. 
Walking COS
This option allows another user to override a COS that is applied to you extension. You may 
only be allowed to dial locally, they may be able to dial international numbers.
1. Press the [TRANS/PGM] button and select option [2] COS followed by option [3] 
WALKING COS. 
2. Enter a valid authorisation code and press the            button.
COS Change 
(Reserved for future development).