C55/C55i AT COMMAND SET Description Preliminary - Falcom

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C55/C55I AT COMMAND SET VERSION 1.00 context parameters set to their default values (see AT+CGDCONT, AT+CGQREQ, AT+CGQMIN). If the parameter is omitted, the layer 2 protocol is unspecified and PPP will be used. If the write command is successful, the MT issues the intermediate result code CONNECT and enters V.25ter online data state. After data transfer is complete, and the layer 2 protocol termination procedure has completed successfully, the command state is reentered and the MT returns the final result code OK. If the parameter value is unacceptable to the MT, the MT returns ERROR or +CME ERROR. In the event of erroneous termination or a failure to start up, the command state is reentered and the MT returns NO CARRIER, or if enabled +CME ERROR. Parameter Description (str) Layer 2 protocol to be used between the TE and MT. ["PPP"] layer 2 protocol PPP "1" layer 2 protocol PPP (num) 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 AT+CGDATA again, the data mode is reentered. Which context is used to return to data mode, depends on the supplied parameter . If no is specified, this is equivalent to using the V.25ter command ATO, which is usable for GPRS connections 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 context identifier, has the highest priority). It is possible, to use AT+CGDATA to enter the data mode for a context, which was not in data mode since it was activated. With ATO this is not possible. This confidential document is the property of FALCOM GmbH and may not be copied or circulated without permission. Page 174
C55/C55I AT COMMAND SET VERSION 1.00 9.6 AT+CGDCONT Define PDP Context Syntax Test Command Response(s) AT+CGDCONT=? +CGDCONT: (range of supported s),,,,(list of supported s), (list of supported s) OK Read Command AT+CGDCONT? Write Command AT+CGDCONT=[[,[,[,]]]] ERROR +CME ERROR Response(s) +CGDCONT:,,,,, OK ERROR +CME ERROR Response(s) OK ERROR +CME ERROR Reference(s) PIN ASC0 GSM 07.07 ● ● Command Description The test command returns supported values as a compound value. The read command returns the current settings for each defined PDP context. The write command specifies the parameters for a PDP context identified by the context identifier . The number of contexts that may be in a defined state at the same time is given by the range returned by the test command. A special form of the write command (AT+CGDCONT=) causes the values for context to become undefined. Parameter Description (num) PDP Context Identifier 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 (str) Packet Data Protocol type Specifies the type of the packet data protocol. "IP" Internet Protocol (IETF STD 5) (str) Access Point Name This confidential document is the property of FALCOM GmbH and may not be copied or circulated without permission. Page 175
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C55/C55i AT COMMAND SET Description Preliminary - Falcom

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