Articles tagged with: presence

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Asterisk: Distributed states using SIP

Asterisk was originally built as a stand-alone system, a single central point for all telephony communication. In short, a PBX. Nowadays, the Asterisk Open Source telephony server, is used in many ways – many of them not really being PBXs. All kinds of applications are being powered by Asterisk. While building applications with Asterisk, you […]