DetailChange Tone Call is the tone function, customer will hear multi sound during the call.RegisterPromotionFAQsRegisterPress 664 dial:Press 1: Baby voicePress 2: Old voicePress 3: Female voicePress 4: Male voicePress 5: Robot voicePrice: 200kip/dayPromotionFAQs 2,829 total views, 2 views todayFacebook iconFacebookTwitter iconTwitterLINE iconLine