50/1138. CALL CONTROL COMMANDSNOTE: In case that the product implements call related supplementary services(hold/waiting/multiparty/etc.), AT interpreter must keep track of all available calls by keepingits own call stack.8.1 V.25TER8.1.1 D DialCommand Possible verboseresult codes (V1)Numeric(V0)Descriptionexecute Dstring>BLACKLISTED 14 call to the number is forbidden until manual resetBUSY 7 called party is busyCONNECT 1 data/fax call established; rate 300 bps (or X forbids ratedisplay) or GPRS context activationCONNECT 1200 5 data/fax call established; rate 1200 bpsCONNECT 2400 10 data/fax call established; rate 2400 bpsCONNECT 4800 11 data/fax call established; rate 4800 bpsCONNECT 9600 12 data/fax call established; rate 9600 bpsCONNECT 14400 17 HSCSD (or 14.4 tch) data/fax call established; rate 14400 bpsCONNECT 19200 18 HSCSD data/fax call established; rate 19200 bpsCONNECT 28800 19 HSCSD data/fax call established; rate 28800 bpsCONNECT 38400 20 HSCSD data/fax call established; rate 38400 bpsCONNECT 43200 21 HSCSD data/fax call established; rate 43200 bpsDELAYED 13 call to the number is temporarily (5 sec - 3 min) forbiddenERROR 4 command cannot be actionedNO ANSWER 8 called party does not answerNO CARRIER 3 call could not be establishedOK 0 command aborted or voice call started with semicoloncharacterMandatory. V.25ter section 6.3.1. All result codes are not in V.25ter. Before one of the abovecodes is issued, the terminal may return some of the following codes : +CSSI, +COLP, +CR,+ER, +DR, or +ILRR (in that order). In GPRS connections the data rate can actually be higherthan the value desired because it is the minimum desired value. The only verbose codereturned in the case of a GPRS call is the word CONNECT.NOTE: +VTS command or comma modifier (e.g. ìATD,1234î; in this case the first commadoes not cause a pause) can be used to send DTMF digits.