Afshin

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Hi, I try with packet C1 check invisible status , but it not working Func _YMSG_Client_c1Request($sAlias,$sToAlias,$iVersion=-1,$iVendor=-1,$hSessionID=-1) ;Header("C1", "1À€" & whofrom & "À€5À€" & Whoto & "À€206À€1À€") Local $sData=_YMSG_FieldCreate(1,$sAlias) $sData&=_YMSG_FieldCreate(5,$sToAlias) $sData&=_YMSG_FieldCreate(206,1) Local $sHeader _YMSG_HeaderCreate($sHeader,$iVersion,$iVendor,StringLen($sData),'00C1',1,$hSessionID) Return $sHeader&$sData EndFunc this packet is correctly send and is taken this packet by victim yahoo ID , but not receive reply packet to find user is invisible of offline, for sending C1 packet must use different yahoo login protocol? Please help me, Thanks.