Essays about: "voip for mobile"

Showing result 1 - 5 of 36 essays containing the words voip for mobile.

  1. 1. On the security of VoIP mobile network operator and international carrier interconnects

    University essay from KTH/Skolan för elektro- och systemteknik (EES)

    Author : Mina Naguib; [2016]
    Keywords : VoIP; Security; TDM; PSTN; International Carrier Network; Mobile Operators; SBC; Signaling;

    Abstract : All Mobile Network Operators (MNOs) as well as international carriers are moving voice services from the legacy Public Switched Telephone Network (PSTN) to Voice over IP (VoIP). The benefit is that VoIP traffic can be easily rerouted at any moment, thus giving companies a variety of options as traffic can be rerouted to any carrier of choice leading to different Quality of Service (QoS) levels (and thus agreements) as well as different prices to choose from. READ MORE

  2. 2. Design of IP Multimedia Subsystem for Educational Purposes

    University essay from KTH/Radio Systems Laboratory (RS Lab)

    Author : Mikael Rudholm; [2015]
    Keywords : IMS; Next generation networking; Internet telephony; SIP application; service creation; virtual machines; IMS; nästa generations nätverk; Internet-telefoni; SIP applikationer; utveckla tjänster; virtuella maskiner;

    Abstract : Internet Protocol multimedia subsystem (IMS) is an architecture for services such as voice over Internet Protocol (VoIP) in IP based communication systems. IMS is standardized by the 3GPP standardization forum, and was first released in 2002. Since then IMS has not had the wide adoption by operators as first anticipated. READ MORE

  3. 3. Developing UCAF, an administrative functionality for the U-Call IVR reporting system

    University essay from Linnéuniversitetet/Institutionen för datavetenskap (DV)

    Author : Asreen Rostami; [2014]
    Keywords : ICT4D; IVR; Semantic Tagging; VoIP Drupal; UCAF; U-Call;

    Abstract : Mobile phones and Interactive Voice Response (IVR) applications are being progressively used in developing countries to collect voice-based reports about bad governance or poor public service delivery, reported by citizens. Such systems (e.g. Avaaj Otalo, Foroba Blon, etc. READ MORE

  4. 4. The Intelligent Use of Multiple Interfaces : Using multiplexing to reduce the overhead for small packets

    University essay from KTH/Radio Systems Laboratory (RS Lab)

    Author : Niyaz Adigozalov; [2013]
    Keywords : Long-Term Evolution; LTE; multiplexing; VoIP; overhead; RTP; VPN; WLAN; Long-Term Evolution; LTE; multiplexa; VoIP; ooptimerad; RTP; VPN; WLAN;

    Abstract : Long-Term Evolution (LTE) is the latest development in wide area cellular mobile network technology. In contrast with the earlier generations of circuit-switched mobile networks, LTE is all-IP packet-switched network. Both voice and data are sent inside IP packets. Voice over IP (VoIP) is used to provide voice service to LTE users. READ MORE

  5. 5. 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