Sökning: "voice over ip"

Visar resultat 21 - 25 av 91 uppsatser innehållade orden voice over ip.

1. 21. Cross-Layer optimization in a satellite communication network

   Master-uppsats, KTH/Radio Systems Laboratory (RS Lab)

   Författare :Sabrina Marjorie Dubroca; [2013]
   Nyckelord :voice over IP; satellite communication; cross-layer optimization; QoS; traffic engineering; RSVP-TE; MPLS-TE; source routing; resource reservation; aggregation; röst över IP; satellit kommunikationsnät; kors-nivå optimering; QoS; trafikteknik; RSVP-TE; MPLS-TE; source routing; resurs reservation; aggregering;

   Sammanfattning : This thesis aims to improve a satellite communication network which carries both data streams and Voice over IP (VoIP) communication sessions with resource reservation. The resource reservations are made using the standard protocols for Traffic Engineering: MPLS-TE and RSVP-TE. LÄS MER

3. 22. Skype Integration into Aastra BluStar client

   Master-uppsats, KTH/Kommunikationsnät

   Författare :Anass Sedrati; [2012]
   Nyckelord :;

   Sammanfattning : Nowadays, and with the growing interest for VoIP and its different uses through various softwares, everybody seems to agree about the fact that this family of technologies has made its place as the future of voice use in telecommunications. PSTN is in fact leaving gradually its place to this simpler technology in the few upcoming years. LÄS MER

4. 23. Hardware Acceleration of the Robust Header Compression (RoHC) Algorithm

   Master-uppsats, Lunds universitet/Institutionen för elektro- och informationsteknik

   Författare :Mohammed Al-Obaidi; Harshavardhan Kittur; [2012]
   Nyckelord :Technology and Engineering;

   Sammanfattning : With the proliferation of Long Term Evolution (LTE) networks, many cellular carriers are embracing the emerging eld of mobile Voice over Internet Protocol (VoIP). The robust header compression (RoHC) framework was introduced as a part of the LTE Layer 2 stack to compress the large headers of the VoIP packets before transmitted over LTE IP-based architectures. LÄS MER

5. 24. Analys av datakommunikationssäkerhet för VoIP-protokoll

   M1-uppsats, KTH/Data- och elektroteknik

   Författare :Sanhawad Boongerd; Fredrik Lindstein; [2012]
   Nyckelord :Swedish Armed Forces; Voice over IP; H.323; SIP; network security and countermeasures; voice and video communication.; Försvarsmakten; Voice over IP; H.323; SIP; säkerhetsrisker och -åtgärder; röst och videokommunikation.;

   Sammanfattning : Voice over IP (VoIP) is a relatively new technology that enables voice calls over data networks.With VoIP it is possible to lower expenses, and increase functionality and flexibility. LÄS MER

7. 25. SIP Security Threats and Countermeasures

   Magister-uppsats, Sektionen för Informationsvetenskap, Data– och Elektroteknik (IDE)

   Författare :Faisal Mahmood; [2012]
   Nyckelord :Security of SIP;

   Sammanfattning : 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. LÄS MER