Configuring the SBC to Send the REST API
                                            The SBC must be configured to send the REST API to the ARM as described in Adding a Policy Studio Rule for Users Credentials Information.
                                            
                                                
                                                
                                                
                                                
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                                                    To configure the SBC to send the REST API to the ARM: | 
                                                
                                            
                                            
                                                
                                                
                                                
                                                
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                                                    In the SBC's Web interface, configure an IP Group with specific settings.  | 
                                                
                                            
                                            
                                                
                                                
                                                
                                                
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                                                    For REGISTER messages: In the SBC’s Web interface in IP Group settings, under the ‘SBC Registration and Authentication’ section, configure parameter 'Authentication Method List' to REGISTER and from the 'SBC Server Authentication Type' drop-down, select ARM Authentication. | 
                                                
                                            
                                            SBC Web interface - SBC Registration and Authentication - REGISTER
                                            
                                                
                                            
                                            
                                                
                                                
                                                    
                                                    
                                                    
                                                    
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                                                        In the SBC's Web interface, open the IP-to-IP Routing page (Setup > Signaling & Media > SBC > Routing > IP-to-IP Routing). | 
                                                    
                                                
                                                IP-to-IP Routing page in SBC's Web interface
                                                
                                                    
                                                
                                                
                                                    
                                                    
                                                    
                                                    
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                                                        2.
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                                                        [Use the preceding figure as reference] Define an IP-to-IP Routing Rule with a 'Request Type' of Register. | 
                                                    
                                                
                                                
                                                    
                                                    
                                                    
                                                    
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                                                        Define its 'Destination Type' as All Users. | 
                                                    
                                                
                                                
                                                    
                                                    
                                                    
                                                    
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                                                        Make sure this Routing Rule is located in the IP-to-IP Routing page before the IP-to-IP Routing Rule whose 'Destination Type' is defined as Routing Server.  | 
                                                    
                                                
                                             
                                            
                                                
                                                
                                                
                                                
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                                                    For INVITE messages: In the SBC’s Web interface in IP Group settings, under the ‘SBC Registration and Authentication’ section, configure parameter ‘Authentication Method List’ to INVITE and from the ‘SBC Server Authentication Type’ drop-down, select ARM Authentication. | 
                                                
                                            
                                            
                                                
                                                    
                                                    
                                                    
                                                    
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                                                        The INVITE/REGISTER is received in the incoming Pcon.
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                                                        To configure INVITE or REGISTER to the same incoming Pcon, configure parameter 'Authentication Method List' to INVITE|REGISTER.
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                                            SBC Web interface - SBC Registration and Authentication - INVITE
                                            
                                                
                                            
                                            
                                                
                                                    
                                                    
                                                    
                                                    
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                                                        The feature involves changes in the SBC ↔ ARM REST internal REST API  | 
                                                    
                                                
                                                
                                                    
                                                    
                                                    
                                                    
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                                                        The feature is supported starting from SBC version 7.20A.259.031 |