Nextiva, Inc. is a cloud-based VoIP communications company based in Arizona which offers office telephony services to the small and medium-size companies serving in the United States and Canada. Nextiva business phone systems focus on VoIP services. In addition, the company provides virtual fax lines and PBX trunk lines for SIP Trunking. It allows free number porting and controlling of your calls based on your preferences. Some of notable features of Nextiva are Voicemail-to-Text, Conference Bridge, silent call barging, unlimited virtual faxing, shared call appearance, multi-tiered auto attendants, HD Voice and multiple device support. Businesses which have a PBX system already installed can upgrade to Nextiva’s SIP Trunking service which allows integrating real-time communications technology including business VoIP, video and data without replacement.