GSM Module
2.9.2 +ZSTR: check module’s status ................................................49
2.9.3 +ZGETICCID: set ICCID ...................................................... 49
2.9.4 +ZCSQ: set auto display CSQ ................................................50
2.9.5 +ZEDT: set DTR inspection mode ............................................. 50
2.9.6 +ZDSLEEP: 32KHz Deep sleep mode .......................................... 51
2.9.7 +CUSD: send USSD data..................................................... 51
2.9.8 +ZRINGPINMODE: set RING PIN signal mode .................................. 53
2.10Network Parameter Commands ...................................................54
2.10.1 +ZPNUM: set APN, username and password .................................. 54
2.10.2 +ZPPPOPEN: open GPRS connection ......................................... 54
2.10.3 +ZPPPCLOSE: close GPRS connection ........................................ 54
2.10.4 +ZIPGETIP: check current IP address.......................................... 54
2.10.5 +ZDNSSERV: set DNS IP address ..............................................55
2.10.6 +ZDNSGETIP: obtain Internet Domain name’s IP address ....................... 55
2.11TCP Link Commands ..............................................................56
2.11.1 +ZIPSETUP: Set up TCP server link .............................................56
2.11.2 +ZIPSEND: send TCP data to target address................................... 56
2.11.3 +ZPPPSTATUS：check GPRS connection status ................................56
2.11.4 +ZIPCLOSE: close TCP link.................................................... 56
2.11.5 +ZIPSTATUS：check current TCP link status .................................... 57
2.11.6 +ZIPRECV: receive data from current data link................................ 57
2.12UDP Link Commands ..............................................................58
2.12.1 +ZIPSETUPU: set up UDP server link ............................................58
2.12.2 +ZIPSENDU: send data to UDP server ......................................... 58
2.12.3 +ZIPSTATUSU：check UDP status..............................................58
2.12.4 +ZIPCLOSEU: close UDP link .................................................. 58
2.12.5 +ZIPRECVU: receive UDP data ............................................... 59
2.13Server Commands ................................................................60
2.13.1 +ZTCPLISTEN: set port monitoring ............................................. 60
2.13.2 +ZTCPSENDP: send data through passively opened link........................ 60
2.13.3 +ZTCPCLOSEP: close monitored connection .................................. 61
2.13.4 +ZTCPRECV(P): receive data report .......................................... 61
2.13.5 +ZTCPSTATUSP: check passively opened link ..................................62
2.13.6 +ZIPTIMEOUT: set the timeout for connecting the server & sending data ........62
2.13.7 +ZTCPTIMEOUT: set the timeout for receiving data ............................ 63
2.14FTP Commands ...................................................................64
2.14.1 +ZFTPGET: download data from FTP server .................................... 64
2.14.2 +ZFTPPUT: upload data to FTP server ......................................... 65
2.15Relevant Audio Commands .......................................................67
2.15.1 +ZCALLTONE: set pick-up tone ............................................... 67
2.15.2 +ZDTMFTONE: set ZDTMF tone................................................67
2.15.3 +SPEAKER: audio channel switch command..................................68
2.15.4 +ZMICGB: set MIC audio parameters......................................... 68
2.16Relevant Base Station Commands ................................................. 71
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