R Tone is an APP designed to utilize SIP to deliver phone calls through a VOIP network. It is a soft client that is customized to work with CCS VOIP network, delivering the highest voice quality via 3G/4G and WIFI data network.You will be able to make calls through it via the data network with the lowest costs in comparision to the traditional mobile phone network.To register with us, simply call us for more details.FEATURES: - Echo cancellation capability - Preset codec for best voice quality and bandwidth consumption. - Easy to dial with an in built contact lists that is synchronized with your existing contact lists. - Security feature to protect subscribers account and the application.- Detailed Call information.SUPPORT: website: www.ccsidd.com/rtoneEmail: email@example.com Support Line: +6567481737 (09:00H to 18:00H Monday to Friday)NOTES: - Since this APP is customized to CCS network, it will not work with any other SIP networks or IP-PBX. - Important Note: Some mobile network operators may prohibit or restrict VOIP over their data network or impose additional fees and/or charges when using VOIP. - Since it is utilizing data transmission to deliver voice calls, data charges from mobile operators applies.