VocalTop!

VocalTop is the leading mobile VoIP application from Global Voip Corp. The mobile application allows end users to make long distance or international calls at low rates. Key Features:NAT traversal on Private IPAddress book integrationSIP signalingSIP softswitch compatibilityG729, PCMU, PCMA codecsLow bandwidth consumptionGet VocalTop now Take your VoIP experience to the next level.