RBT 669 description

"RBT 669 is a ring-back tone service for all users of both carriers, ETL and Unitel. This application is to help you to download and manage ring-back tone for your phone number easily.
Service fee is 200 Kips/day and fee of each RBT as below:
- Your own voice: Kip 500 kips/month
- Laos music and Vietnam music: 1,500 kips/month
- International music: 3,000 kips/month (Unitel: 5.000 kips/3 months)
- Other voice (funny, effect, poem, love): 1,000 kips/month"