Reply To: SIP/VoIP network.. 12th August 2002 at 16:42 #21815 John R HoganGuest A little detail… http://www.vonage.com/technology/index.phtml http://www.vonage.com/technology/aboutsip.phtml http://www.vonage.com/technology/services.phtml http://www.cs.columbia.edu/sip/