C55/C55i AT COMMAND SET Description Preliminary - Falcom

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C55/C55I AT COMMAND SET VERSION 1.00 9.14 ATA Manual response to a network request for PDP context activation Syntax Exec Command Response(s) ATA CONNECT NO CARRIER Reference(s) PIN ASC0 GSM 07.07 ● ● Command Description The V.25ter ATA command may be used to accept a network request for a PDP context activation announced by the unsolicited result codes RING or "+CRING: GPRS". The MT responds with CONNECT, enters V.25ter online data state and follows the same procedure as it would after having received a AT+CGANS=1 with no or values specified. If you try to answer a request which is no longer present or which is already answered by another instance, NO CARRIER is returned. 9.15 ATD*99# Request GPRS service Syntax Exec Command ATD*99[* [][* [][* []]]]# Reference(s) PIN ASC0 GSM 07.07 ● ● Response(s) CONNECT NO CARRIER Command Description This command causes the MT to perform whatever actions are necessary to establish communication between the TE and the external PDN. The V.25ter 'D' (Dial) command causes the MT to enter the V.25ter online data state and, with the TE, to start the specified layer 2 protocol. No further commands may follow on the AT command line. GPRS attachment and PDP context activation procedures may take place prior to or during the PDP startup if they have not already been performed using the AT+CGATT and AT+CGACT commands. If the context to be used is already activated, it will be deactivated first. This ensures that the right context parameters will be used (e.g. QoS changes since the last context activation or the called address specified by ATD*99#). Examples on how to use this command are provided in chapter "using GPRS AT commands (Examples)". To confirm acceptance of the command before entering the V.25ter online data state command will respond with CONNECT. This confidential document is the property of FALCOM GmbH and may not be copied or circulated without permission. Page 188
C55/C55I AT COMMAND SET VERSION 1.00 When the layer 2 protocol has terminated, either as a result of an orderly shutdown of the PDP or an error, the MT enters V.25ter command state and returns NO CARRIER. Parameter Description (str) IP V4 address in the form w.x.y.z, which identifies the called party; if it is provided, the MT will automatically set up a virtual call to the specified address after the context has been activated. This parameter is currently not used and needs not to be specified. (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 (see AT+CGDCONT command). If no context is specified, an internal context 0 with default properties is used (see AT+CGDCONT, AT+CGQREQ and AT+CGQMIN). 1...2 Notes • If C55 is in dedicated mode, command returns with "+CME ERROR: phone busy". • ATD is used as a standard V.25ter AT command, too. 9.16 ATD*98# Request GPRS IP service Syntax Exec Command ATD*98[* ]# Response(s) CONNECT NO CARRIER Reference(s) PIN ASC0 GSM 07.07 ● ● Command Description This command causes the MT to perform whatever actions are necessary to establish a communication between the TE and the external PDN. The V.25ter 'D' (Dial) command causes the MT to enter the V.25ter online data state and, with the TE, to start the layer 2 protocol. GPRS attachment and PDP context activation procedures may take place prior to or during the PDP startup if they have not already been performed using the AT+CGATT and AT+CGACT commands. If the context to be used is already activated, it will be deactivated first. This ensures that the right context parameters will be used (e.g. QoS changes since the last context activation). To confirm acceptance of the command before entering the V.25ter online data state command will respond with CONNECT. This confidential document is the property of FALCOM GmbH and may not be copied or circulated without permission. Page 189
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C55/C55i AT COMMAND SET Description Preliminary - Falcom

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