Virtual PBX Softphone!

The VirtualPBX Softphone application turns your iPhone into a full-featured VoIP phone in a VirtualPBX phone system. You can receive and make calls over your data connection that enable all of the high-end features available to VirtualPBX VoIP phones, without using your phones minutes. Features include a custom auto-attendant, follow-me calling, True ACD queues, call recording, voicemail, internet fax, conferencing, and more.