Terms and Definitions

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Client browsing application interacting with WCS.
Synonyms: WCS JavaScript API, client, browser.

Call Flow

A sequence of calls.


Audio and/or video traffic going through the WCS when connection is established.

Synonyms: media, media data, media traffic, media session.


Session Initiation Protocol RFC3261.

SIP Server

SIP proxy-server, PBX, IMS or other SIP equipment with the support for SIP-protocol.

Synonyms: SIP provider, SIP server.


Web Call Server 4.

Web Server

The server WCS interacts with by the REST/HTTP protocol.
Synonyms: REST, REST API, Web-server.


An invocation between Browser and WCS, or between WCS and Web Server.

Synonyms: invocation, event, function.