Cisco ASR 5000 Serving GPRS Support Node Administration Guide 28 Feb 2014 ... PDP Context Support . .... PDP Context Preservation . .... Avoiding PDP Context Deactivations .
Cisco SGSN Serving GPRS Support Node: The Next-Generation ... It also provides support for IPv4, IPv6, and PPP PDP context types. In addition, the SGSN's intelligent PDP context preservation feature facilitates efficient radio ...
TERMINAL INITIATED CONTEXT PRESERVATION - Patent ... 30 Oct 2008 ... The method of claim 1, wherein said preservation information is added to said Modify PDP Context request as an optional information element.
Patent WO2008128793A1 - Terminal initiated context preservation ... 30 Oct 2008 ... In UMTS systems, a PDP context preservation functionality is provided which enables the core network (CN), e.g. an SGSN1 to release ...
Patent US20030123423 - Mobile/portable terminal and ... - Google 3 Jul 2003 ... [0005] “Preserved PDP (Packet Data Protocol) context which preserves an IP ( Internet Protocol) address at any time, and which is preserved in ...
Patent EP1318633B1 - Mobile/portable terminal and PDP context ... 19 Mar 2008 ... "Preserved PDP (Packet Data Protocol) context which preserves an IP (Internet Protocol) address at any time, and which is preserved in a state ...
3GPP TR 23.919 V8.0.0 (2008-12) As a result of activating a Direct Tunnel for a specific PDP context, an ... (i.e. the PDP context is preserved) the GTP-U tunnel is (re)established between the ...
