Essays about: "sip, voip"

Showing result 21 - 25 of 47 essays containing the words sip, voip.

1. 21. Service Improvements for a VoIP Provider

   University essay from KTH/Kommunikationssystem, CoS

   Author : Zhang Li; [2009]
   Keywords : VoIP; SIP; Asterisk; Symbian; JavaEE; JBoss; DoD;

   Abstract : This thesis project is on helping a Voice over Internet Protocol (VoIP) service provider by improving server side of Opticall AB's Dial over Data solution. Nowadays, VoIP is becoming more and more popular. People use VoIP to call their family and friends every day. READ MORE

3. 22. Impact and Multiplexing of SIP Signaling in GSM

   University essay from Institutionen för teknik och naturvetenskap; Tekniska högskolan

   Author : Pasha Ayani; Petter Gustafsson; [2009]
   Keywords : ;

   Abstract : By the introduction of IMS, future mobile voice traffic will gradually be based on IP. This means that GSM has to undergo further development in order to stay compatible with other mobile networks. Before introducing VoIP into GSM, the impact of the SIP signaling needs to be investigated. READ MORE

4. 23. An Upgrade of Network Traffic Recognition System for SIP/VoIP Traffic Recognition

   University essay from Datateknik

   Author : Jiaqi Hou; [2009]
   Keywords : NTRS; SIP VoIP traffic recognition; Six-tuple; SIP session; VoIP call;

   Abstract : The purpose of this project is to update the tool of Network Traffic Recognition System (NTRS) which is proprietary software of Ericsson AB and Tsinghua University, and to implement the updated tool to finish SIP/VoIP traffic recognition. Basing on the original NTRS, I analyze the traffic recognition principal of NTRS, and redesign the structure and module of the tool according to characteristics of SIP/VoIP traffic, and then finally I program to achieve the upgrade. READ MORE

5. 24. SIP on an Overlay Network

   University essay from KTH/Kommunikationssystem, CoS

   Author : Xiao Wu; [2009]
   Keywords : VOIPSec; NAT; IPSec; SIP; SRTP; VPN;

   Abstract : With the development of mobile (specifically: wide area cellular telephony) technology, users’ requirements have changed from the basic voice service based on circuit switch technology to a desire for high speed packet based data transmission services. Voice over IP (VoIP), a packet based service, is gaining increasing attention due to its high performance and low cost. READ MORE

6. 25. Performance Evaluation Framework for a SIP-based Telecommunication Call Handling System

   University essay from

   Author : NATTANOND SANGVANPHANT; [2009]
   Keywords : ;

   Abstract : Session Initiation Protocol (SIP) has been used for signaling in many Voice over IP(VoIP) applications. Being more cost-effective than conventional circuit-switchedsystems, IP-based telecommunication systems are extensively employed by manyservice providers. READ MORE