Echo Mobile is a SIP softclient that extends VoIP functionality beyond the land line or desk top. It brings features of the Echo Networks platform directly to end-user's mobile devices as a Unified Communications solution. With Echo Mobile, users are able to maintain the same identity when making or receiving calls from any location, regardless of their device. They are also able seamlessly send an ongoing call from one device to another and continue that call without interruption. Echo Mobile grants users the ability to manage contacts, voicemail, call history and configurations in a single location. This includes the management of answering rules. greetings, and presence which all contribute to more efficient communication.