Tired of paying outrageous rates for international calls on your carrier? Look no further. zongfone can offer you the cheapest rates with excellent quality, even on slow internet connections.
Features:
• Internet Calls via Wi-Fi, EDGE / 3G / UMTS / 4G
• SIP-based softphone with exceptional voice quality
• Proprietary compression technology makes it usable on any kind of internet connection
• Compatible with VOIP switches supporting standard SIP
• Flexible integration with your phone book contacts
• Screen display for your call history, call timer and balance