ts_127007v110800p

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3GPP TS 27.007 version 11.8.0 Release 11 223 ETSI TS 127 007 V11.8.0 (2013-10) 10.1.15 Automatic response to a network request for PDP context activation +CGAUTO Table 124: +CGAUTO parameter command syntax Command Possible response(s) +CGAUTO=[] +CME ERROR: +CGAUTO +CGAUTO: +CGAUTO= +CGAUTO: (list of supported s) Description The set command disables or enables an automatic positive or negative response (auto-answer) to the receipt of a NWinitiated Request PDP Context Activation message from the network in UMTS/GPRS and a NW-initiated Request EPS Bearer Activation/ Modification Request messages in EPS. It also provides control over the use of the V.250 basic commands 'S0', 'A' and 'H' for handling network requests for PDP context activation. The setting does not affect the issuing of the unsolicited result code RING or +CRING. When the +CGAUTO=0 command is received, the MT shall not perform a PS detach if it is attached. Subsequently, when the MT announces a network request for PDP context activation by issuing the unsolicited result code RING or +CRING, the TE may manually accept or reject the request by issuing the +CGANS command or may simply ignore the network request. When the +CGAUTO=1 command is received, the MT shall attempt to perform a PS attach if it is not already attached. Failure will result in ERROR or, if enabled, +CME ERROR being returned to the TE. Refer subclause 9.2 for possible values. Subsequently, when the MT announces a network request for PDP context activation by issuing the unsolicited result code RING or +CRING to the TE, this is followed by the intermediate result code CONNECT. The MT then enters V.250 online data state and follows the same procedure as it would after having received a +CGANS=1 with no or values specified. The read command returns the current value of . The test command returns the values of supported by the MT as a compound value. Defined values : integer type 0 turn off automatic response for Packet Domain only 1 turn on automatic response for Packet Domain only 2 modem compatibility mode, Packet Domain only 3 modem compatibility mode, Packet Domain and circuit switched calls 4 turn on automatic negative response for Packet Domain only For = 0 Packet Domain network requests are manually accepted or rejected by the +CGANS command. For = 1 Packet Domain network requests are automatically accepted according to the description above. For = 2, automatic acceptance of Packet Domain network requests is controlled by the 'S0' command. Manual control uses the 'A' and 'H' commands, respectively, to accept and reject Packet Domain requests. (+CGANS may also be used.) Incoming circuit switched calls can be neither manually nor automatically answered. For = 3, automatic acceptance of both Packet Domain network requests and incoming circuit switched calls is controlled by the 'S0' command. Manual control uses the 'A' and 'H' commands, respectively, to accept and reject Packet Domain requests. (+CGANS may also be used.) Circuit switched calls are handled as described elsewhere in this specification. For = 4, Packet Domain network requests are automatically rejected. ETSI
3GPP TS 27.007 version 11.8.0 Release 11 224 ETSI TS 127 007 V11.8.0 (2013-10) Implementation Optional. If not implemented, the MT shall behave according to the case of = 3. 10.1.16 Manual response to a network request for PDP context activation +CGANS Table 125: +CGANS action command syntax Command +CGANS[=,[ ,[]]] Possible response(s) +CME ERROR: +CGANS= +CGANS: (list of supported s),(list of supported s) NOTE: The syntax of the AT Set Command is corrected to be according to ITU-T Recommendation V.250 [14]. Older versions of the specification specify incorrect syntax +CGANS=[,[,[]]] Description The execution command requests the MT to respond to a network request for Packet Domain PDP context activation which has been signalled to the TE by the RING, +CRING or +CGEV unsolicited result code. The parameter allows the TE to accept or reject the request. If is 0, the request is rejected and the MT returns OK to the TE. If is 1, the following procedure is followed by the MT. Commands following the +CGANS command in the AT command line shall not be processed by the MT. If the parameter value is unacceptable to the MT, the MT shall return an ERROR or +CME ERROR response. Refer subclause 9.2 for possible values. Otherwise, the MT issues the intermediate result code CONNECT and enters V.250 online data state. The detailed behaviour after the online data state has been entered is dependent on the PDP type. It is described briefly in 3GPP TS 27.060 [34] and in more detail in 3GPP TS 29.061 [39] and the specifications for the relevant PDPs. PDP context activation procedures shall take place prior to or during the PDP startup. One or more s may be specified in order to provide the values needed for the context activation request. During the PDP startup procedure the MT has the PDP type and the PDP address provided by the network in the Request PDP Context Activation message. The MT may also have some or all of the following information: The MT may have a priori knowledge, for example, it may implement only one PDP type. The command may have provided an parameter value. The TE may provide one or both of PDP type and PDP address to the MT in the PDP startup. If any of this information is in conflict, the command will fail. If one or more is given then an attempt shall be made to identify an appropriate context definition by matching the PDP type and PDP address in the network request with the PDP type and PDP address in each of the specified context definitions (in the order in which their s appear in the command) as follows: The PDP type must match exactly. The PDP addresses are considered to match if they are identical or if the address in the context definition is unspecified. ETSI
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