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List of AT Commands for Nokia 22
Copyright © Nokia Mobile Phones 2001. All rights reserved.
4.1.13 +ILRR DTE-DCE local rate reporting
Command Response Default
Set
+ILRR=<n> 0
Read
+ILRR? +ILRR: <n>
Test
+ILRR=? +ILRR: (0,1)
The +ILRR command controls whether the extended-format “+ILRR:<rate>” information text is
transmitted from the Nokia 22 to the DTE. The <rate> reported represents the current DTE-DCE
rate. If enabled, the intermediate result code is transmitted after any error control or data
compression reports are transmitted and before any final result code (i.e. CONNECT) is
transmitted.
4.1.14 +ES Error control selection
Command Response default
set
+ES=<orig-rqst>,
<orig-fbk>,<ans-fbk>
4,0,2
read
+ES? +ES: <orig-rqst>,<orig-fbk>,<ans-fbk>
test
+ES=? +ES: (0-4),(0,2-4),(0-2,4-6)
Mandatory when the V.42 error control is implemented. See the ITU-T Recommendation V.25ter,
section 6.5.1. These settings are only used in transparent data calls (see +CBST). The supported
parameter values depend on the V.42 modes that are supported. Fallback to direct mode is not
supported by Nokia products.
4.1.15 +EB Break handling in error control operation
Command Response default
set
+EB=<break-sel>,
<timed>,<def-length>
1,0,30
read
+EB? +EB: <break-sel>,<timed>,<def-length>
test
+EB=? +EB: (0-3),(0,1),(0-254)
Mandatory when the V.42 error control is implemented. See the ITU-T Recommendation V.25ter,
section 6.5.2. These settings are only used in transparent data calls (see +CBST) with V.42
enabled (see +ES).
4.1.16 +EFCS 32-bit frame check sequence
Command response Default
set
+EFCS=<value> 0
read
+EFCS? +EFCS: <value>
test
+EFCS=? +EFCS: (0)
Mandatory when the V.42 error control is implemented. See th ITU-T Recommendation V.25ter,
section 6.5.4. Controls the use of the 32-bit frame check sequence option in the V.42 error control
mode. The 32-bit FCS is not supported by Nokia products.