【實用通訊app】GBTel|最夯免費app-綠色工廠好玩App

"GBTel Dialer" can be used on the compatible Android phone sets to make VoIP calls using a service provider. It allows international voice calls over WiFi or 3G/4G network. Service provider who bundled this application with their services can offer their customers to download GBTel Dialer. After install, user needs username and password. Please contact your reseller to get access PIN.