Samsung SM-J700P User Guide - Page 70

 Activate Speaker to route the phone's audio through the speaker. (You can adjust the speaker volume using the Volume key.)  Deactivate Speaker to use the phone's earpiece. Warning: Because of higher volume levels, do not place the phone near your ear during speakerphone use. ● Keypad/Hide: Toggle the appearance of the onscreen keypad. Show the keypad to enter additional numbers, for example, an extension or access code.  For example: When you call your bank's 800 number, use the keypad to enter your account number and PIN. ● Mute: Mute the microphone during an active call. Tap again to unmute the microphone. Note: If Mute is activated, the speaker mode is deactivated. ● End call : End the current call. Place a Call from Contacts You can place phone calls directly from entries in your Contacts list. 1. From home, tap Phone to display the phone app. 2. Tap Contacts to display the Contacts list.  The contacts list appears. 3. Tap a contact. 4. Tap Call next to the number you want to call.  The phone dials the number. The call begins when the other party answers. Phone Calls and Voicemail 60