AT Command Set for Nokia 8210 42
Copyright © 2000. Nokia Mobile Phones. All rights reserved.
+DS Data Compression
This command controls the V.42bis and MNP5 data compression functions. V.42bis
can be used with transparent and non-transparent data services and MNP5 can be
used only with transparent data service. The data service is selected with the
command AT+CBST. (V.25ter section 6.6.1.)
Syntax:
AT+DS=[<dir>[,<neg> [,
<P1>[,<P2>]]]]
Set compression parameters.
AT+DS?
Query current setting.
Response is +DS: <dir>,<neg>,
<P1>,<P2>.
AT+DS=?
Show supported values.
Response is +DS: (list of supported
<dir>'s), (list of supported <neg>'s), (list of
supported <P1>'s), (list of supported
<P2>'s).
Parameters:
<dir>
0
no compression (V.42bis P0=0)
1
V.42bis transmit only or MNP5
2
V.42bis receive only or MNP5
3
V.42bis both directions or MNP5
<neg>
0
do not disconnect if compression is not
negotiated by the remote DCE as
specified in <direction>
1
disconnect if compression is not
negotiated by the re-mote DCE as
specified in <direction>
<P1>
maximum number of dictionary entries
which should be negotiated, 512 to 2048
<P2>
maximum string length to be negotiated, 6
to 32, de-fault 20 (V.42bis P2).
+GCAP Request Complete Capabilities List
This command displays product information on the overall capabilities of the product.
Response may differ depending on the implemented features in a product. (V.25ter
section 6.1.9.)
Syntax:
AT+GCAP
Display product capabilities.
+GMI Request TA Manufacturer Identification
This command displays the TA manufacturer identification.(V.25ter section 6.1.4.)
Syntax:
AT+GMI
Display manufacturer identification.
+GMM Request TA Model Identification
This command displays the TA model identification. Note that in the case of a product
with TA and ME in the same physical entity, the response of the command +CGMM
is identical. (V.25ter section 6.1.5.)
Syntax:
AT+GMM
Display model identification.
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