Description: Asterisk is an open source communications software that allows you to build telephony applications and services. It supports voice over IP, video conferencing, voicemail, auto attendant, interactive voice response, and more. It can be used to build PBX systems, call center solutions, and other communications platforms.
Type: software
Pricing: Open Source
Description: NomadPhone is a mobile VOIP service that provides a second phone number to make and receive calls, messages and more over data/WiFi on your existing smartphone or tablet. It can be used for business, travel, protecting privacy, or just having a dedicated number.
Type: software