<![CDATA[cellular digital packet data Resources | ZDNet]]> en-us <![CDATA[Telecommunications Fundamentals]]> Tue, 01 Jan 2008 00:00:00 -0800 <![CDATA[Skype without a headset: you have several alternatives]]> Sun, 24 Jun 2007 19:39:00 -0700 <![CDATA[EXCLUSIVE: 1995 Newsgroup posting proposing VoIP predates Verizon, Sprint patents]]> Thu, 19 Apr 2007 14:54:10 -0700 <![CDATA[Complete Verizon-Vonage patent analysis Part One: 6,282,574]]> Mon, 09 Apr 2007 06:57:55 -0700 <![CDATA[VoIP: Are we there yet?]]> Thu, 16 Mar 2006 11:58:00 -0800 <![CDATA[Intersystem Handover Simulation]]> Thu, 26 May 2005 00:00:00 -0700 <![CDATA[Cisco IOS Mobile Wireless Gateway GPRS Support Node Configuration Guide]]> Tue, 01 Feb 2005 00:00:00 -0800 CSCO CSCO