Sets the group for the active channel.
SetGroup() is removed as of Asterisk 1.4 and has been replaced by the
Internal help for this application in Asterisk 1.2:
Diff of the internal help from Asterisk 1.2 to 1.4:
Not available in Asterisk 1.4
Sets the language of the active channel.
SetLanguage() is removed as of Asterisk 1.4 ...