YD/T 1290.1-2003 General technical requirements of peer to peer short message interworking between networks Part 1:Interworking between PSTN and PLMN (English Version)
2010YD/T 1290.1-2010 General technical requirements of peer to peer short message interworking between networks.Part 1:Interworking between PTSN and PLMN
2003YD/T 1290.1-2003 General technical requirements of peer to peer short message interworking between networks Part 1:Interworking between PSTN and PLMN