Qb, the mobile phone brand by Cambodia Advance Communication Co, became the latest company to announce a new tariff Wednesday, "Talk all you want", offering unlimited calls and messaging services at a fixed price of US$3 per month. The provider follows Hello, Mobitel and Beeline in announcing new tariffs within the past fortnight. Also Wednesday, qb announced it would finish a project extending coverage to major roads in Kampong Thom, Svay Rieng, Kampong Speu, Takeo, Kampot, Kampong Chhnang, Pursat and Banteay Meanchey provinces.