AT+CMGR=5
+CMGR: 1,,156
07914487200030230406D04F59040000601191806243009F4F990E947DD741EEF71D840EDBCBA0FCBB2E0751CB783A28E8CED3D3ED3268068381AA4B10BD8CA7CF412650AC2904BDCD2072981E06D1DFA0FABC0CA2A3D373509B8E7681A4E576B92D2ECB41F43788FE86B7EA7010280603BDE5A0F65B5E0689CBE6B7BC0C8ADD6232980D447F83CE653A28FFAECB416679B90C0AB3D9EF7BD83D2E83DC653C1DD4A6A301"
OK