Mobile Application Part specification, 3GPP TS 29.002, available here
SMS Point to Point specification, 3GPP TS 23.040, available here
Cell Broadcast Service specification 3GPP TS 23.041, available here
Point-to-Point (PP) Short Message Service (SMS) support on mobile radio interface specification,3GPP TS 24.011, available here
3GPP TS 33.204 3rd Generation Partnership Project; Transaction Capabilities Application Part (TCAP) user security; Annex D: Using TCAP handshake for SMS transfer
