Polycom

polycom dialer is a mobile app for Android. The polycom dialer helps users make international calls easier from an Android phone. The application is free to download.

After downloading and installing the polycom dialer, open the application and follow the simple wizard to set-up the polycom dialer:
VoIP Calls via Wifi, 3G / 4G, edge or UMTS.

You will just need to select the Contact you want to call or enter the number manually in the DialPad. The polycom dialer will take it from here.

The same polycom dialer low rates for international calling apply if you use the polycom dialer.
If a data connection is available the application might require a minimum amount of data traffic to update from time to time.

Application features:
•Call from Android phone native Contacts
•Call History
•Invite
•Rates