exten => 82,1,Verbose(1,${DB(office_page/inuse)})
;exten => 82,1,Verbose(1,Start)
exten => 82,2,GotoIf($[${DB(office_page/inuse)}=1]?8:3)
exten => 82,3,Verbose(1,Paging)
exten => 82,4,Set(DB(office_page/inuse)=1)
exten => 82,5,SIPAddHeader(Call-Info: sip:<192.168.1.8>\;answer-after=0)
exten => 82,6,Page(SIP/128|s)
exten => 82,7,Set(DB(office_page/inuse)=0)
exten => 82,8,Playback(yeah)
exten => 82,9,Verbose(1,Done)
;exten => 82,10,Hangup
;exten => 82,h,Set(DB(office_page/inuse)=0)
exten => 82,h,Verbose(1,Done1)