If message originates from the external edge of an enterprise Edge Proxy, this identifies the source.

Namespace:  Microsoft.Rtc.Sip
Assembly:  ServerAgent(in ServerAgent.dll)

Syntax

Visual Basic (declaration)
Public 
Enumeration 
ExternalSource
Visual Basic (usage)
Dim 
instance 
As 

AuthenticationInfo.
ExternalSource
C#
public 
enum 
ExternalSource

Members

Member name Description
Unknown Not from external source.
InternetUser Remote User.
Proxy Deprecated.
DirectPartner Federated partner.
ClearingHouse Deprecated.
AccessProxy Generated by the Edge Server.
AuthorizedServer Deprecated.
AutoFed Automatic federation.

See also