Display a popup in VOIP application

The task is to display a popup in a VOIP application when the call fails due to recipient not being connected to the server. The popup should give the user an option to call via the PSTN number instead, which is the username part of dialled SIP URI.

Skills: Android, Mobile App Development

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About the Employer:
( 56 reviews ) London, United Kingdom

Project ID: #7577350