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About USAP
USAP is a mobile application for USAP customers to make and receive VoIP calls.
USAP is a free mobile application for USAP customers to make and receive VoIP calls.
Application comes with following features.
Make and receive VoIP Calls
DTMF Support
G729 Support
SIP Protocol Support
Make calls to GSM phone numbers and SIP Phones
Free APP to APP VoIP Calling
What's new in the latest 1.5
Last updated on 2017-05-25
Resolved Crash.
Videos and Screenshots
Old Versions of USAP
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