78
Wireless Data Services
Header Compression
Use this command to enable or disable header compression.
Saving Your AT Settings
Your phone is now properly set up for typical iDEN Wireless Data Services
use. These settings, however, are stored only in the phone’s Random Access
Memory (RAM). If the phone is turned off, the settings will be lost. The
next step, then, is to save the settings in the modem’s non-volatile memory.
Like many other modems, the iDEN modem is capable of storing more than
one personality, or image, into non-volatile memory. Each image can then
be read, altered, and saved without changing the contents of the others. The
iDEN modem has three images.
By default, the first image is loaded when the phone is powered on. It might
seem logical to store these settings into this first profile. However, because
many communication programs alter the contents of this first image, some
of your parameters might be overwritten. For this reason, store these
parameters in the second image. By default, the third user image is loaded
when the radio is powered on, and every time the data cable is removed.
By convention, the first image is named User Image 0, the second image is
User Image 1, and the third image is User Image 2.
+WS182
This command enables or disables TCP header
compression options. Some DTE-Side Stacks (such as
PPP) will negotiate local header compression
independently from this setting.
Action
AT+ws182=<header compression>
Query
AT+ws182?
Range
AT+ws182=?
Parameter Values:
0
Over-the-air and local header
compression enabled
1
Over-the-air header compression enabled
2
Local header compression enabled
3
Header compression disabled
AT Command
Save User Default Configuration
Command Syntax
AT&W1, AT&W2
Expected Return Code(s)
OK
Содержание IDEN WIRELESS DATA SERVICES
Страница 2: ......