Client–Server Application for SIP-based Telephony

Student: Migachev Vladislav

Faculty: Faculty of Informatics, Mathematics, and Computer Science (HSE Nizhny Novgorod)

Educational Programme: Software Engineering (Bachelor)

Final Grade: 10

Year of Graduation: 2020

In this work, SIP softphone and server, tools for performing calls over Internet are developed. These tools are based on SIP protocol, which stands for “Session Initiation Protocol” - a high-level protocol of messaging which is on application layer of OSI model. SIP protocol allows to use a lot of additional features. For example, “Do Not Disturb” feature could be used to deny all incoming calls if user is busy. Also, “Presence” feature can suggest current status of any user such as “Available”, “Away”, “Busy” or “Out Of Office”. This paper presents the open-source software which could be used not only in case of performing simple calls but to perform conference calls too. This application could be used as more comfortable alternative of performing calls via computer or mobile phone.

Full text (added May 25, 2020)

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