You are facing towards the glass door, turn around you can see a sofa, cross the sofa, right side of you there will be an open entrance, enter inside, take a right, there will be one more open entrance, go inside and right of you there will be some open entrances, you will find a stair case, beside the stair case you will be finding one more open entrance, enter inside, after entering inside take an immediate left and enter inside the open room, go straight until you can find a bed, cross the bed, you will be able to find a brown table, a landline phone is kept on it, go and stand infront of the table, its your destination.