A SOAP message that will retrieve a list of rooms in a roomlist from Exchange 2010.

retrieve_rooms_from_roomlists.mm

// given the e-mail address of a roomlist, this SOAP message will retrieve the member rooms.

NSString *roomlist = @"roomlist1@domain.tld" // this is the e-mail address of the room list you're querying
NSLog(@"querying roomlist %@", roomlist);
NSString *soapMessage = [NSString stringWithFormat:@""
                         @"<?xml version=\"1.0\" encoding=\"utf-8\"?>"
                         @"<soap:Envelope xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\" xmlns:soap=\"http://schemas.xmlsoap.org/soap/envelope/\" xmlns:t=\"http://schemas.microsoft.com/exchange/services/2006/types\" xmlns:m=\"http://schemas.microsoft.com/exchange/services/2006/messages\">"
                         @"<soap:Header>"
                         @"<t:RequestServerVersion Version =\"Exchange2010_SP2\"/>"
                         @"</soap:Header>"
                         @"<soap:Body>"
                         @"<m:GetRooms>"
                         @"<m:RoomList>"
                         @"<t:EmailAddress>%@</t:EmailAddress>"
                         @"</m:RoomList>"
                         @"</m:GetRooms>"
                         @"</soap:Body>"
                         @"</soap:Envelope>"
                         @"", roomlist];