TOUPPER()¶ Synopsis¶ Convert string to all uppercase letters. Since¶ 1.6.0 Description¶ Example: Prints EXAMPLEexten => s,1,NoOp(${TOUPPER(Example)}) Syntax¶ TOUPPER(string) Arguments¶ string Generated Version¶ This documentation was generated from Asterisk branch 22 using version GIT