'Example: Sip.Initialize2("SIP", "sip:username2@iptel.org", "password")
Sip.Initialize2("SIP", "sip:italodisco@iptel.org", "eurodance")
'Example: CurrentCall = Sip.MakeCall("sip:username1@iptel.org", 10)
CurrentCall = Sip.MakeCall("sip:eurodisco@iptel.org", 10)