en
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 0-9

To add favorites to a list, you must be logged in to your account.

Login Register

Glossary

Technology evolves at a rapid-fire pace. That’s why we’ve built an easy-to-use glossary to help you better understand the terms, technologies and trends that impact your business.

Session Initiation Protocol (SIP)

An IETF-defined signaling protocol widely used for controlling communication sessions such as voice and video calls over Internet Protocol (IP). The protocol can be used for creating, modifying and terminating two-party (unicast) or multiparty (multicast) sessions.