1.2 Making CallsUser Manual 27To select an idle outside line in the specified outside line group automatically (Outside LineGroup Access)To select the specified outside line• Each of the S-CO button or G-CO button light shows the current status as follows:Off: The line is idle.Red on: The line is in use.• You may be restricted from making a call to the specified outside party. To make a call, referto "1.2.7 Calling without Restrictions".• To confirm number before dialling, you can enter a phone number and confirm it on thedisplay and then go off-hook. (Predialling)• Call Charge ReferenceYou can confirm your total call charges by pressing the Charge Reference button.• To make a call to another party without going on-hook, press the FLASH/RECALL button.It will re-access the outside line and provide external dial tone. Pressing the Terminate buttonwill provide intercom dial tone. You can dial the new phone number without going on/off-hook.• Hands-free OperationYou can make an outside call and have a conversation in hands-free mode using the SP-PHONE button.Customising Your Phone• 3.1.2 Settings on the Programming Mode—Preferred Line Assignment—OutgoingSelect the seized line when going off-hook.• 3.1.3 Customising the ButtonsCreate or edit a Loop-CO (L-CO) button, a Group-CO (G-CO) button, a Single-CO (S-CO) button, a Terminate button or a Charge Reference button.PT and SLTPT/SLT/PSOff-hook. Talk.PressG-CO or enteroutsideline group access numberand thenoutside line groupnumber (2 digits).Dialoutside phonenumber.outsidephone no.OR(G-CO)8outside linegroup no.PT andPT/PSOff-hook. Talk.PressS-CO.(S-CO)Dialoutside phonenumber.outsidephone no.