| mobile service |
| cash back |
| user center |
| subscribe to a service |
| service |
| no limit |
| gigabytes |
| subscribe |
| answerphone |
| roaming |
| operator, service provider |
| operator telecommunication services |
| mobile operator |
| sms, short message |
| signal coverage |
| telephone bill |
| top up balance (on the phone) |
| promised payment |
| tariff plan (for telephone calls) |
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