search for: dostuffwith3digits

Hi Does anyone know how I can check if a callerID is more than 2 digits. I am setting up my phones so that if the callerID is 3 digits the phones ring one way if it is more than 3 digits it rings another i.e. internal calls and external calls. exten => 2222,1,GotoIf($["${CALLERIDNUM}" = "1111"]?5) This will tell it to jump to 5 if callerID if 1111 but how do i