solved. TP-SRR i TP-SRI su sadrzavali dobre bitove pa sam zakljucio da je do modema.
AT+CNMI=2,1,0,0,0 (default)
AT+CNMI=2,1,0,1,0 (rjesenje) - modificirat <ds>
Code:
<ds>
0 No SMS-STATUS-REPORTs are routed to the TE
1 SMS-STATUS-REPORTs are routed to the TE by using unsolicited result code: +CDS: <length><CR><LF><pdu> (PDU mode enabled) or +CDS: <fo>,<mr>,[<ra>],[<tora>],<scts>,<dt>,<st> (Text mode enabled)