ts_127007v110800p

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3GPP TS 27.007 version 11.8.0 Release 11 43 ETSI TS 127 007 V11.8.0 (2013-10) +CHSC= Description Execution command returns information about current HSCSD call. If no HSCSD call is active, all parameters returned shall equal zero. If HSCSD call is active in UTRAN or E-UTRAN, all non-applicable parameters returned shall be equal to zero. (It is manufacturer specific whether non-zero information is returned in case of an active normal singleslot data call.) Defined values : integer type; number of receive timeslots currently in use. This parameter is not applicable in UTRAN or E- UTRAN. : integer type; number of transmit timeslots currently in use. This parameter is not applicable in UTRAN or E- UTRAN. : integer type; current air interface user rate (in case of transparent service this equals fixed network user rate) (refer +CHSN command for possible values). For the two-timeslot ECSD bit transparent configuration the following additional values apply: 8 56000 bps 9 64000 bps : current channel coding (refer +CHSD command for possible values). This parameter is not applicable in UTRAN or E-UTRAN. Implementation Optional. 6.16 HSCSD parameters report +CHSR Table 23: +CHSR parameter command syntax Command +CHSR=[] +CHSR +CHSR= Possible response(s) +CHSR: +CHSR: (list of supported s) Description Enabled command returns intermediate result code +CHSR: from the TA to the TE when an HSCSD call is being set up. The result code represents the current (negotiated or renegotiated) HSCSD parameters. If enabled, the intermediate result code is transmitted at the point of the call setup negotiation where the TA has determined what type of an HSCSD connection will be used. Result code transmission is done after possible service (+CR), error control (+ER), and/or compression (+DR) reporting but before possible TE-TA rate (+ILRR) reporting and before the intermediate result code CONNECT is transmitted. The format of the intermediate result code is: +CHSR: ,,, For the value definitions, refer to +CHSN and +CHSC commands. For instance, for a non-transparent HSCSD call, result code '+CHSR: 2,2,4,8' means that the call has two timeslots in both up- and downlink, the air interface user rate is 28800 bps, and the used channel coding TCH/F14.4. In UTRAN or E-UTRAN, all non-applicable parameters returned shall be equal to zero. Read command returns the current value of . Test command returns the values supported by the UE. ETSI
3GPP TS 27.007 version 11.8.0 Release 11 44 ETSI TS 127 007 V11.8.0 (2013-10) Defined values : integer type 0 disables reporting 1 enables reporting Implementation Mandatory when HSCSD implemented 6.17 HSCSD automatic user initiated upgrading +CHSU Table 24: +CHSU parameter command syntax Command +CHSU= +CHSU +CHSU= Possible response(s) +CHSU: +CHSU: (list of supported s) Description Set command controls whether or not automatic user initiated service level upgrading shall be used for non-transparent HSCSD calls. "Automatic" means that, if enabled, the ME/TA shall use the UP bit in the received RLP frames to determine when to initiate user initiated service level upgrading (i.e. when to modify the +CHSN parameters and/or for the current call). Refer to 3GPP TS 27.001 [41] for details on the interpretation of the UP bit(s). NOTE 1: The validity of the UP bit in the RLP frames depends on the result of the RLP negotiations. The UP bit shall only be used if the result of the RLP negotiations were successful with respect to the UP bit. NOTE 2: This command is only applicable in GERAN. Defined values : integer type 0 disables use of UP bit for upgrading 1 enables use of UP bit for upgrading Implementation Optional This command is not applicable to UTRAN or E-UTRAN UEs. 6.18 HSCSD non-transparent asymmetry configuration +CHSA Table 25: +CHSA parameter command syntax Command +CHSA= +CHSA +CHSA= Possible response(s) +CHSA: +CHSA: (list of supported s) Description Set command controls the preferred asymmetry bias for non-transparent ECSD calls. Downlink biased asymmetry means that 8-PSK modulation is preferred downlink and GMSK modulation uplink. Uplink based asymmetry means ETSI
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