[Type] The only allowed values are "voice" and "dtmf" [Description] Defines the mode of the grammar following the modes of the W3C Speech Recognition Grammar Specification [SRGS]. [Required] No [Default Value] The value of the document property "grammarmode" [Name] 
mode
m o d e
w e i g h t
f e t c h h i n t
f e t c h t i m e o u t
m a x a g e
m a x s t a l e