Troubleshooting guide

Table Of Contents
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Connecting to GSM Networks............................................................................... 47
How to Connect to The Cingular Network ............................................................... 47
Connecting to the Cingular GSM Circuit Data (CSD) Network............................. 49
Using the correct GSM Profile ..................................................................................... 50
Group 1 .......................................................................................................................50
Group 2 .......................................................................................................................50
Accelerated Profiles....................................................................................................... 51
About GSM signal strength.......................................................................................... 51
GSM Network Types..................................................................................................... 52
How to disconnect from a Cingular Data network .................................................. 53
GSM Connections Interface.......................................................................................... 54
Wi-Fi Button...............................................................................................................54
3G Indicator................................................................................................................54
Messaging Button......................................................................................................55
GSM Security.................................................................................................................. 55
User Authentication..................................................................................................55
Network access authentication................................................................................55
Encryption..................................................................................................................55
Protection of IP addresses........................................................................................55
Customer Supplied VPN..........................................................................................55
The GSM Diagnostics window.................................................................................... 56
The GSM Diagnostics Window ................................................................................... 56
Supported GSM Devices............................................................................................... 57
Text Messaging (SMS)........................................................................................... 59
Short Message Service................................................................................................... 59
The Text Messaging Client........................................................................................... 59
Reading and Managing Incoming Messages.........................................................60
Sending Messages .....................................................................................................60
Using the Address Book...........................................................................................60
Viewing and Managing Messages .............................................................................. 61
Receiving Text Messages..........................................................................................61
Updating Your Inbox................................................................................................62
Using text messaging with tethered cellular handsets ........................................62
Managing Text Messages .........................................................................................63
Sending Messages.......................................................................................................... 64
Using the Address Book............................................................................................... 66
Accessing the Address Book on your Mobile Device ..........................................67
Virtual Private Networks (VPNs)........................................................................... 69
Configuring a VPN Connection .................................................................................. 69
Automatically launching a VPN connection ............................................................. 71
Manually Launching a VPN Connection ................................................................... 73
Supported VPN Clients ................................................................................................ 73
Using the CheckPoint VPN client ............................................................................... 74