2[2]ETSI GSM 07.05:Digital cellular telecommunications system(Phase 2);Use of DTE-DCE interface for Short Message Service (SMS) and Cell Broadcast Service (CBS)
3[3]ITU-T Recommandation V2.5 ter:Serial asyn hronous automatic dialing and control
4[4]ETSI GSM 07.07:Digital cellular telecommunications system (Phase 2); AT command set for GSM Mobile Equipment(ME)
5[5]ETSI GSM 04.30:Digital cellular telecommunications system (Phase 2); Technical realization of the Short Massage Service (SMS) Point-to-Point(PP)
