Compatible with VOIP switches supporting SIP
With its simple and intuitive user interface, Londonplus 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, Londonplus Ultra offers:
• Secure and reliable communication
• Compatible with VOIP switches supporting SIP
• Unique anti-block solution
• Option to brand own dialer
• Advance Echo Cancellation
• Flexible integration with your phone book contacts
• Screen display for your call history, call timer and balance
For Users:
While starting the app, you will be prompted for the following:
Operator Code – Collect Operator Code from your VoIP service provider
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