What is SIP? The Session Initiation Protocol (SIP)  is a signaling protocol used for initiating, maintaining, and terminating real-time sessions that include voice, video and messaging applications. SIP is one method of Voice Over Internet Protocol (VoIP). Other methods of VoIP include Real-time Transport Protocol (RTP), Real-time Transport Control Protocol (RTCP), and Session Description Pro...

What is RTP? Real-time Transport Protocol (RTP) is a network standard designed for transmitting audio or video data that is optimized for consistent delivery of live data. It is used in internet telephony, Voice over IP and video telecommunication. It can be used for one-on-one calls (unicast) or in one-to-many conferences (multicast). RTP typically runs over User Datagram Protocol (UDP). RTP is u...

What is ARP? The Address Resolution Protocol(ARP) is a communication protocol used to discover the data-link layer address(Layer 2 address like Media Access Control(MAC) address) associated with an Internet layer address(Layer 3 address like IPv4 address). ARP was defined in 1982 by RFC 826. ARP is a request-response or request-reply protocol in which one device sends a request to another device a...