Callvine adds HD voice conferencing to new free iPhone app

Austin, Texas-based Callvine ( has rolled out a new iPhone app that includes support for HD voice using G.722.1 and conferencing through TurboBridge (

As is typical, HD voice on the iPhone app is supported via Wi-Fi connection.  Other HD voice features include free voice recording.  The app also provides live conference controls, meeting sync details with push notificaitons, and “easy” group texting from the iPhone’s native Messages app.

Callvine also provides SIP support for conference calls through Turbobridge.  The Callvine app and service is free for up to 10 participants on a conference call and up to four hours of usage each month.  Group texting and group management is always free.  In-app upgrades will be offered later in the month for increased numbers of participants and additional usage.

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