4G-Call Ultra

安全可靠的通信

With its simple and intuitive user interface, 4G-Call Ultra is the solution to making high quality calls for a fraction of the cost. Utilizing the latest advances in VOIP technology, you can be ensured that all your communications are secure and affordable.

In addition to your cost savings, 4G-Call Ultra offers:

• Secure and reliable communication

• Compatible with VOIP switches supporting SIP

• Unique anti-block solution

• Advance Echo Cancellation

• Flexible integration with your phone book contacts

• Screen display for your call history, call timer and balance