ich hatte im obigen Post was vergessen einzutragen ...
[outgoing]
include => 18
include => 19
include => 20
schnipp -----
[20]
; Outgoing calls over CAPI
exten => _x.,1,Set(LANGUAGE()=de)
exten => _x./20,2,Set(CALLERID(number)=1231212)
exten => _x./1231212,3,Set(CALLERID(name)=)
exten =>...