|   
			ESL Forum: 
			
			
			
			Techniques and methods 
			in Language Teaching 
			
			Games, activities 
			and teaching ideas 
			
			Grammar and 
			Linguistics 
			
			
			Teaching material 
			
			
			Concerning 
			worksheets 
			
			
			Concerning 
			powerpoints 
			
			
			Concerning online 
			exercises 
			
			
			Make suggestions, 
			report errors 
			
			
			Ask for help 
			
			
			
			Message board 
			  
			
			
			
			
			 | 
 		
		
		ESL forum >
		
		
		Ask for help > Verrrrry urgent!     
			
		 Verrrrry urgent! 
		
			| 
				
					| 
					
					
 
 Benitto
 
   | 
						
							| Verrrrry urgent! 
 |  
							| hi. what do you call these electronic devices that you can use to know who is at the door when sb rings the bell.I mean the ones which are like a telephone, specially used in flats where you cant get the door in person!!
 
 
 |  23 Nov 2012      
					
					 |  |  
			| 
 
					
					
					
				 
 |  
			| 
				
					| 
					
					
 
 yanogator
 
   | 
						
							| I think it �s usually called an intercom. Once you know who it is, you press the buzzer to let them in. This is often called "buzzing them in".   Bruce |  23 Nov 2012     
					
                     |  |  
			| 
				
					| 
					
					
 
 Benitto
 
   | 
						
							| Oh thanks a lot Bruce.You �re a  lifesaver. |  23 Nov 2012     
					
                     |  |  
	
	   |