2. Outgoing call

• When dialling an internal telephone number (extension), you only need to enter the extension number.
• When dialling an external telephone number, you must first dial “0” before dialling the external telephone number.

- To complete dialling, press the “Call key” in either case or use the “Dial” softkey.

- To end the call, press the “Call key" again or press the “End” softkey to end the call.