IEnumerable<ISession> GetSessions(
	string callerExtID,
	SIPAddress callerID,
	string calleeExtID,
	SIPAddress dialedNumber
)

Function GetSessions ( 
	callerExtID As String,
	callerID As SIPAddress,
	calleeExtID As String,
	dialedNumber As SIPAddress
) As IEnumerable(Of ISession)

IEnumerable<ISession^>^ GetSessions(
	String^ callerExtID, 
	SIPAddress^ callerID, 
	String^ calleeExtID, 
	SIPAddress^ dialedNumber
)