To provide a method of reestablishing a PPP connection in a CDMA network system with a simple sequence.
A terminal 5 establishes the PPP connection with a PDSN 10 via a PCF 20 (S107), the PDSN 10 for recognizing interruption opportunity by a handover (S108) transmits PPP session information in the terminal 5 to a session information storage device 8 (S400), a PCF 21 acquires a first IMSI key from the PCF 20 (S403), acquires a second IMSI key from the terminal (S405), compares both the IMSI keys (S406), when both the IMSI keys are coincident, a PDSN 11 connected to the PCF 21 acquires PPP session information from the session information storage device 8 (S408), and the PDSN 11 restores and reestablishes the PPP connection with the terminal 5 (S409).
COPYRIGHT: (C)2006,JPO&NCIPI
| WO/2006/016406 | MOBILE COMMUNICATION NETWORK SYSTEM |
| JPWO2006011570 | Mobile communication access system, packet transfer device and path replacement method |
| JP2005269185 | RADIO RELAY APPARATUS AND RELAY METHOD |
Ken Kubo
Akira Idogami
| JP2002532962A | ||||
| JP2005520445A | ||||
| JP846643A | ||||
| JP2005143085A | ||||
| JP2001224050A |
| WO2003079716A1 | ||||
| WO2003092189A1 |