- Title
- Service provisioning in two open-source SIP implementation, cinema and vocal
- Creator
- Hsieh, Ming Chih
- Subject
- Real-time data processing
- Subject
- Computer network protocols
- Subject
- Internet telephony
- Subject
- Digital telephone systems
- Subject
- Communication -- Technological innovations
- Date
- 2013-06-18
- Type
- Thesis
- Type
- Masters
- Type
- MSc
- Identifier
- vital:4687
- Identifier
- http://hdl.handle.net/10962/d1008195
- Identifier
- Real-time data processing
- Identifier
- Computer network protocols
- Identifier
- Internet telephony
- Identifier
- Digital telephone systems
- Identifier
- Communication -- Technological innovations
- Description
- The distribution of real-time multimedia streams is seen nowadays as the next step forward for the Internet. One of the most obvious uses of such streams is to support telephony over the Internet, replacing and improving traditional telephony. This thesis investigates the development and deployment of services in two Internet telephony environments, namely CINEMA (Columbia InterNet Extensible Multimedia Architecture) and VOCAL (Vovida Open Communication Application Library), both based on the Session Initiation Protocol (SIP) and open-sourced. A classification of services is proposed, which divides services into two large groups: basic and advanced services. Basic services are services such as making point-to-point calls, registering with the server and making calls via the server. Any other service is considered an advanced service. Advanced services are defined by four categories: Call Related, Interactive, Internetworking and Hybrid. New services were implemented for the Call Related, Interactive and Internetworking categories. First, features involving call blocking, call screening and missed calls were implemented in the two environments in order to investigate Call-related services. Next, a notification feature was implemented in both environments in order to investigate Interactive services. Finally, a translator between MGCP and SIP was developed to investigate an Internetworking service in the VOCAL environment. The practical implementation of the new features just described was used to answer questions about the location of the services, as well as the level of required expertise and the ease or difficulty experienced in creating services in each of the two environments.
- Description
- KMBT_363
- Description
- Adobe Acrobat 9.54 Paper Capture Plug-in
- Format
- 185 p.
- Format
- Publisher
- Rhodes University
- Publisher
- Faculty of Science, Computer Science
- Language
- English
- Rights
- Hsieh, Ming Chih
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