K.Bua cooperate with command and ENG to check the telephone system for this room after 40 minutes ENG reported back to me that PABX card of this floor was burn so it was effecting to RM2206-2224.
Guest told ENG that tonight they not allow us to fix anything in their room cause they will check out tomorrow.
PS. For details of PABX problem DM Thanayut will record in DM Log as below.