Performing a factory reset will restore all settings on the device to their factory default values. How do I search for a record in the phone book? The phonebook will show the contacts with the matching name. Grandstream GXV3140 (Discontinued) How do I select from multiple incoming calls? If two or three calls come in simultaneously, the LCD will only display information for the latest call. If you pick up the call using the normal procedure, you will answer the[…]
