Essays about: "Issues in VOIP"

Showing result 1 - 5 of 20 essays containing the words Issues in VOIP.

1. 1. Analyzing VoIP connectivity and performance issues

   University essay from

   Author : Mehenni Sadaoui; [2019]
   Keywords : VoIP; connectivity and performance issues; call quality; packet traces.;

   Abstract : The appearance of Voice over IP (VoIP) revolutionized the telecommunications word, this technology delivers voice communications over the internet protocol (IP) networks instead of the public switched telephone network (PSTN), calls can be made between two VoIP phones as well as between a VoIP phone and an analog phone connected to a VoIP adapter [1]. The use of this technology gives access to more communication options compared to the conventional telephony but the users face different problems, mostly connectivity and performance issues related to different factors such as latency and jitter [2], these factors affect directly the call quality and can result in choppy voice, echoes, or even in a call failure. READ MORE

3. 2. Control traffic overhead for VoIP over LTE

   University essay from KTH/Kommunikationssystem, CoS

   Author : Syed Ghazanfar Salari; [2012]
   Keywords : LTE; VoIP capacity; Physical Downlink Control Channel PDCCH ; Control Channel Elements CCE ; indoor hotspot; scheduling concepts; openWNS simulator; performance evaluation;

   Abstract : With increasing technological advancements more sophisticated mobile devices are being used by end-users. Third generation (3G) mobile communication systems such as Universal Mobile Telecommunication System (UMTS) are not able to satisfy the rising demand for higher throughputs and low latencies. READ MORE

4. 3. Characterization of SIP Signaling-Messages Over OpenSIPS Running On Multicore Server

   University essay from KTH/Skolan för informations- och kommunikationsteknik (ICT)

   Author : Naser Saeed Awan; [2012]
   Keywords : Delay; Latency; OpenSIPS; Packet Loss; QoS; QoS Benchmarking; SIP Signaling Messages; Videoconferencing; VoIP;

   Abstract : Over the course of last decade, the demand for VoIP (Voice over Internet Protocol) applications has increased significantly among enterprises and individuals due to its low cost. This increasing demand resulted in a significant increase in users who require reliable VoIP communication systems. READ MORE

5. 4. SIP Security Threats and Countermeasures

   University essay from Sektionen för Informationsvetenskap, Data– och Elektroteknik (IDE)

   Author : Faisal Mahmood; [2012]
   Keywords : Security of SIP;

   Abstract : With the emergence of multimedia applications and the upcoming age of Voice over IP (VoIP), Voice setup and resources control protocols such as SIP and H.323 over the Internet are becoming increasingly attractive applications. READ MORE

6. 5. A comparative analysis of Cisco Performance Routing (PfR) and other performance enhancing techniques - Cisco QoS and Path Control

   University essay from Sektionen för Informationsvetenskap, Data– och Elektroteknik (IDE)

   Author : Muhammad Younas; [2011]
   Keywords : Network performance enhancing techniques; comparative analysis; Cisco PfR; QoS; Path Control;

   Abstract : Eleven years ago Cisco introduced three types of applications on the same converged network and named it AVVID (Architecture for Voice, Video and Integrated Data). In spite of the initial interest and hype surrounding AVVID, the feature was and still is unable to confront problems such as: data priority, load balancing and network congestion. READ MORE