Mabrook Pro Special Mobile Dialer allows you to place cost effective international VOIP calls from Smartphones using Wifi or 3G/4G internet connections. VOIP Service providers who bundled this application with their services can offer Operator code, username and password to customers to place calls or to establish connection with their switch. Please contact your nearest VOIP service providers to get login details.
Key Features

Faster call connectivity and registration with SIP Server
Supports 2G/3G/4G and Wi-Fi for internet connectivity
Displays your customer account Balance or can listen to IVR
Minimizes battery consumption
Syncs with device Address book contacts
Displays Call Logs and Call Duration
Works on Session Initiation protocol (SIP)
Compatible with almost all SIP standard Soft-Switch available in the market