- Knowledge Base
 - Telephony, Communication and Collaboration
 - Call Management
 
    
      
        How to redial the last number called using model 4610 telephone.
      
     
  
    
    
    - Knowledge Base
 - Telephony, Communication and Collaboration
 - Call Management
 
    
      
        How to turn the Speaker on or off during a call on a 4610 model telephone.
      
     
  
    
    
    - Knowledge Base
 - Telephony, Communication and Collaboration
 - Call Management
 
    
      
        How to retrieve a call that is on Hold using model 4610.