Yealink T48S Series - Managing Calls: Active and New; Placing New Call During Active Call; Hold and New Call Sequence

Place a Call Cont.
To place a new call during an Active call, do one of
the following:
• Press a Line key. The Active call is placed on Hold.
Enter the phone number and Send/#.
• Press Hold to place the Active call on Hold. Press
NewCall. Enter a number and Send/#.