JUMP TORockBLOCK APISending MT messagespostMO Webhook APIReceiving MO messages via HTTP WebhookAT Command ReferenceIntroduction+CSQ[F]+CGSN+CRIS[X]+IPR-MSSTM+SBDWT+SBDWB+SBDRT+SBDRB+SBDIX[A]+SBDDPowered by +CGSNQuery the RockBLOCK IMEI.AT+CGSN