Gets the optional headers sent in the message-summary notification.

C# | Visual Basic | Visual C++ |
public IEnumerable<string> OptionalMessageHeaders { get; private set; }
Public Property OptionalMessageHeaders As IEnumerable(Of String) Get Private Set
public: property IEnumerable<String^>^ OptionalMessageHeaders { IEnumerable<String^>^ get (); private: void set (IEnumerable<String^>^ value); }

Assembly: VoIPSDK (Module: VoIPSDK.dll) Version: 11.2.4.290