Subscription CreateNewSubscription(
	IUserAgentInstance owner,
	SIPAddress account,
	SIPAddress contact,
	TransportInfo transportInfo,
	string eventType,
	SIPDialogSide side,
	string phoneNumber = "",
	DialogID dialogID = null,
	int expires = 30,
	int eventId = 0,
	bool refresh = true
)

Function CreateNewSubscription ( 
	owner As IUserAgentInstance,
	account As SIPAddress,
	contact As SIPAddress,
	transportInfo As TransportInfo,
	eventType As String,
	side As SIPDialogSide,
	Optional phoneNumber As String = "",
	Optional dialogID As DialogID = Nothing,
	Optional expires As Integer = 30,
	Optional eventId As Integer = 0,
	Optional refresh As Boolean = true
) As Subscription

Subscription^ CreateNewSubscription(
	IUserAgentInstance^ owner, 
	SIPAddress^ account, 
	SIPAddress^ contact, 
	TransportInfo^ transportInfo, 
	String^ eventType, 
	SIPDialogSide side, 
	String^ phoneNumber = L"", 
	DialogID^ dialogID = nullptr, 
	int expires = 30, 
	int eventId = 0, 
	bool refresh = true
)

abstract CreateNewSubscription : 
        owner : IUserAgentInstance * 
        account : SIPAddress * 
        contact : SIPAddress * 
        transportInfo : TransportInfo * 
        eventType : string * 
        side : SIPDialogSide * 
        ?phoneNumber : string * 
        ?dialogID : DialogID * 
        ?expires : int * 
        ?eventId : int * 
        ?refresh : bool 
(* Defaults:
        let _phoneNumber = defaultArg phoneNumber ""
        let _dialogID = defaultArg dialogID null
        let _expires = defaultArg expires 30
        let _eventId = defaultArg eventId 0
        let _refresh = defaultArg refresh true
*)
-> Subscription