Notes to the consolidated annual financial statements l Note 28

28 Deferred revenue   Group     Company  
    2017
Rm
    2016
Rm
    2017
Rm
    2016
Rm
 
Deferred revenue   2 099     2 364     2 027     2 113  
Non-current deferred revenue   529     656     529     656  
Current portion of deferred revenue   1 570     1 708     1 498     1 457  

The deferred revenue mainly consists of deferred cards including World Call, installation fees, unused voice and data bundles as well as unredeemed vouchers. The decrease in the group's short-term portion of deferred revenue is due to the inclusion of BCX.


Notes to the consolidated annual financial statements l Note 28