text: **Operating Revenue**
  Our operating revenue depends on the size of our subscriber base, the 
  average revenue per user and revenue from equipment sales. 
  
  *Higher Network Revenue*
  Network revenue includes revenue derived from voice and data services 
  from postpaid monthly fees, airtime, data usage, long distance charges, 
  optional service charges, inbound and outbound roaming charges and 
  certain fees, as well as prepaid usage for airtime, data and other 
  ancillary charges such as long distance. 