USICgroup

USICgroup softphone is a VoIP based feature packed softphone for use on your mobile device.
Oubound calls will use your company ID instead of your personal mobile phone number.
In essence your mobile phone becomes an extension of your company phone system with the ability to transfer calls and dial other extensions within your organisation along with all the usual features of a PBX solution.

NOTE: You will need to have a USICgroup VoIP account activated to use this application.