Pantech Matrix Pro - Manual (Page 44)

42 Chapter 2. Basic operation
Emergency calls do not depend on the availability of the 911 (or 112)
network in your area. The emergency number will work independently of
the network area you are in, with or without a SIM card inserted.
•
Dial 911 (or 112) and press [O].
`
NOTE
You can make calls to emergency service numbers under any
circumstances, even if you have locked the phone.
MAKING AN EMERGENCY CALL