“叫加”是一个手机拨号器可以用来拨打VoIP电话。
"Call Plus" 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 Call Plus Dialer. After install, user needs username and password. Please contact your reseller to get access PIN.