Constants
The following constants are available globally.
- 
                  
                  SINCallIdKey is used for a call id in userInfo DeclarationObjective-C extern NSString *const SINCallIdKeySwift let SINCallIdKey: String
- 
                  
                  Constant that corresponds to network errors in Sinch SDK DeclarationObjective-C extern NSString *const SINErrorDomainNetworkSwift let SINErrorDomainNetwork: String
- 
                  
                  Constant that corresponds to general errors in Sinch SDK DeclarationObjective-C extern NSString *const SINErrorDomainSwift let SINErrorDomain: String
- 
                  
                  VoIP push type constant DeclarationObjective-C extern NSString *const SINPushTypeVoIPSwift let SINPushTypeVoIP: String
- 
                  
                  SINPushTypeKey, userInfo contains this key with value SINPushTypeVoIP DeclarationObjective-C extern NSString *const SINPushTypeKeySwift let SINPushTypeKey: String
 Constants  Reference
        Constants  Reference