The billed length of the call, according to the billed intervals. The length of the call, defined as from the INVITE to the BYE. The number of calls attempted that return SIP code 200. The number of calls attempted that return SIP code 200, 403, 408, 486, 487 or 480. The total number of calls made, whether they complete or not. CNAMĬaller ID Name: The name associated with the CNUM of the calling party on an inbound call. CNUMĬaller ID Number: The telephone number of the calling party on an inbound call. CLDĬalling Line Destination: The destination number for a call or callee. CLIĬalling Line Identification: The number associated with the person initiating the call. Physical phones, as opposed to software-enabled phones. They offer great flexibility when traveling and can be used as long as you’re connected to the internet. Software versions of phones that can be installed on your computer devices. Real-time transport protocol: This protocol is what actually sends the media when the session is established. Session initiated protocol: This protocol sets up the session between the individuals over the Internet. Also known as POTS (plain old telephone service. Public Switched Telephone Network: The world's analog, circuit-switched telephone network. Voice over Internet Protocol: Communication services such as voice, fax, SMS and voice messaging happen over the public internet, rather than the public switched telephone network. Here are some of the post common SIP terms, along with their definitions. Response codes are also included in SIP messages and are used to indicate the status of the call, such as whether the call was accepted or rejected.īy using SIP for VoIP, users can connect with each other over the internet and exchange media efficiently in real-time. Headers are part of the SIP request and response messages and are used to convey additional information about the call, such as the caller's identity, the session's parameters, and the address of the callee. SIP also includes two types of messages known as SIP headers and SIP response codes. The server then responds with a SIP response message with details of the session (such as the accepted media types and the address of the caller). When a call is initiated, the client (or caller) sends a SIP request message to the server (or callee) with the details of the call (such as the caller's identity and the address of the callee). The SIP protocol enables VoIP by providing a way for two parties to establish communication, exchange media and terminate the session. SIP is based on the client-server model, meaning that a client initiates a request to the server, which then responds with an appropriate response. It’s most commonly used for Voice over Internet Protocol (VoIP) applications, such as video conferences and voice calls. Session Initiation Protocol (SIP) is a signaling protocol used for initiating, managing and ending communication sessions over the internet. We'll cover telephony data like CNAM or LRN, common metrics to measure performance like ASR, legal terms like LOA and everything in between. Have you ever wondered about the origin or meaning of a particular acronym or buzz word in telephony? In this blog post, We're breaking down some common SIP terms and discussing their meaning in the VoIP world.
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