1、Union internationale des tlcommunications Place des Nations 1211 GENVE 20 Suisse Switzerland Suiza COVERING NOTE GENERAL SECRETARIAT INTERNATIONAL TELECOMMUNICATION UNION Geneva, 14 February 2003 ITU TELECOMMUNICATION STANDARDIZATION SECTOR Subject: Erratum 1 (02/2003) to ITU-T Recommendation Q.931
2、(05/1998), ISDN user-network interface layer 3 specification for basic call control In 4.5.5, Bearer capability, Table 4-6/Q.931 Bearer capability information element: In octet 5d, Modem type, correct V.32 coding as follows (which then aligns with its coding in 4.5.19, Low layer compatibility, Table 4-16/Q.931 Low layer compatibility information element): 0 1 1 1 0 01 Recommendation V.32 66