Group
     
Company
 

30. Deferred revenue

      2015
Rm
  2014
Rm
      2015
Rm
  2014
Rm
 
        2 189   2 300       2 186   2 297  
Non-current deferred revenue       687   869       687   869  
Current portion of deferred revenue       1 502   1 431       1 499   1 428  

Included in deferred revenue is profit on the sale and leaseback of certain Telkom buildings of R42 million (2014: R53 million) and short term portion of R11 million (2014: R11 million). A profit of R11 million per annum is recognised in income on a straight-line basis, over the period of the lease ending 2019.

Refer to note 4 for the change in estimate in respect of the voice customer relationship period.