User's Manual  794  Document #: LTRT-10632 
 
  Mediant 800B Gateway & E-SBC 
Survivability   Quality of Experience/Service  Security 
  Survivability indication to IP 
phone 
  Call hold and retrieve 
  Call transfer (if IP phone 
initiates REFER) 
  Basic Shared Line 
Appearance (excluding 
correct busy line indications) 
  Call waiting (if supported by 
IP phone) 
 
One of the main advantages of CRP is that it enables quick-and-easy configuration. This is 
accomplished by its pre-configured routing entities, whereby only minimal configuration is 
required. For example, defining IP addresses to get the device up and running and 
deployed in the network.