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MC55 AT Command Set
10.5 AT+CGDATA
Parameter Description
(str)
<L2P>
Layer 2 protocol to be used between the TE and MT.
["PPP"]
"1"
(num)
<cid>
Parameter specifies a particular PDP context definition. The parameter is local to the TE-MT interface and is
used in other PDP context-related commands.
1...2
Notes
•
If the MT is in dedicated mode, write command returns with "+CME ERROR: operation temporary not
allowed".
•
It is possible to leave the GPRS data mode and enter the command mode by using the V.25ter command
. By using the command
+++
to data mode, depends on the supplied parameter
If no
is specified, this is equivalent to using the V.25ter command
<cid>
nections too. In this case the first context is used, which is active and which was already in data mode since
it was activated (the internal context, which is used for GPRS connection without explicitely specifiying a con-
text identifier, has the highest priority).
It ist possible, to use
was activated. With
ATO
MC55_ATC_V01.05
Confidential / Released
layer 2 protocol PPP
layer 2 protocol PPP
again, the data mode is reentered. Which context is used to return
AT+CGDATA
to enter the data mode for a context, which was not in data mode since it
AT+CGDATA
this is not possible.
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.
<cid>
ATO
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, which is usable for GPRS con-
2/10/04
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