Gets the list of extensions supported by this endpoint. By default, this list is populated with extensions understood by the platform. The application can add other extensions it can support. Incoming Invite messages will be automatically rejected with 420 response if it contains a Requires header with option-tag that is not present in this list.

Public 
Function 
GetSupportedSipExtensions 
As 
ReadOnlyCollection(
Of 
String)

public 
ReadOnlyCollection<
string> 
GetSupportedSipExtensions()

public:
ReadOnlyCollection<
String^>^ 
GetSupportedSipExtensions()

function 
getSupportedSipExtensions();