Sipdroid (Paperback)

High Quality Content by WIKIPEDIA articles! Sipdroid is a Voice over Internet Protocol (VoIP) application for the Google Android operating system using the Session Initiation Protocol.Sipdroid is open source free software released under the GNU General Public License. Voice over Internet Protocol (VoIP, Voice over IP) is a general term for a family of methodologies, communication protocols, and transmission technologies for delivery of voice communications and multimedia sessions over Internet Protocol (IP) networks, such as the Internet. Other terms frequently encountered and synonymous with VoIP are IP telephony, Internet telephony, voice over broadband (VoBB), broadband telephony, and broadband phone. Internet telephony refers to communications services - voice, facsimile, and/or voice-messaging applications - that are transported via the Internet, rather than the public switched telephone network (PSTN).