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4. Press the [On-hook] key to terminate the call.
2. Making an Internal Call

2.1 Making a call after hearing the Intercom dial tone

1. Press the [INT] key.
Listen for the Intercom dial tone of the host PBX.
2. Enter the extension No.
The number appears on the display.
Note: • If you make a mistake entering the extension No., press the [no-hook] key, then start again
from step 1.
3. Wait for the called party to answer the PS, then start your conversation.
4. Press the [On-hook] key to terminate the call.

2.2 Making a call using en-block dialling

1. Enter the extension No.
The number appears on the display.
Note: • If you make a mistake entering the extension No., press the [On-hook] key or [HOLD] key to
delete the No., then start again.
Each press of the [HOLD] key deletes a letter from the last entered telephone No. Also,
pressing the [On-hook] key deletes the entire telephone No.
2. Press the [INT] key.
3. Wait for the called party to answer the PS, then start your conversation.
4. Press the [On-hook] key to terminate the call.
Basic Operation
INT
INT