Operating revenues represent revenues from the provision of telecommunications services. The components of the Group’s operating revenues are as follows:
| Year ended December 31, | ||||||||||||||||
| Notes | 2015 | 2016 | 2017 | |||||||||||||
| RMB | RMB | RMB | ||||||||||||||
| (restated) | (restated) | |||||||||||||||
|
Voice |
(i | ) | 78,661 | 70,185 | 61,678 | |||||||||||
|
Internet |
(ii | ) | 126,665 | 150,449 | 172,554 | |||||||||||
|
Information and application services |
(iii | ) | 66,377 | 66,881 | 73,044 | |||||||||||
|
Telecommunications network resource services and lease of network equipment |
(iv | ) | 17,635 | 17,781 | 19,125 | |||||||||||
|
Others |
(v | ) | 42,179 | 47,238 | 39,828 | |||||||||||
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| 331,517 | 352,534 | 366,229 | ||||||||||||||
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Notes:
| (i) | Represent the aggregate amount of voice usage fees, installation fees and interconnections fees charged to customers for the provision of telephony services. |
| (ii) | Represent amounts charged to customers for the provision of Internet access services. |
| (iii) | Represent primarily the aggregate amount of fees charged to customers for the provision of Internet data center service, system integration services, e-Surfing HD service, caller ID service and short messaging service and etc. |
| (iv) | Represent primarily the aggregate amount of fees charged to customers for the provision of telecommunications network resource services and lease income from other domestic telecommunications operators and enterprise customers for the usage of the Group’s telecommunications networks and equipment. |
| (v) | Represent primarily revenue from sale, and repair and maintenance of equipment as well as the resale of mobile services (MVNO). |