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Data Control Application for Telecommunication Operators. Students: Yuri Manusov, Boris Umansky, Yevgeni Fishman Academic Advisor: Prof. Yuval Alovich Industry Advisor: Yuri Granovski With Motorola, Israel. Problem definition:.

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data control application for telecommunication operators

Data Control Application for Telecommunication Operators

Students: Yuri Manusov, Boris Umansky, Yevgeni Fishman

Academic Advisor: Prof. Yuval Alovich

Industry Advisor: Yuri Granovski

With Motorola, Israel

problem definition
Problem definition:
  • More and more telecommunication providers use VoIP infrastructure.
  • Eavesdropping to someone conversation is very simple (requires connection to internet and packet capture software).
  • Spam over the phone becomes more and more popular.
  • Business clients are interested in more secured telecommunication services.
  • Telecommunication providers interested to supply them with these services.
available solutions
Available Solutions:
  • Nowadays SIP(Session Initiation Protocol) is widely used for VoIP.
    • The caller sends a request to SIP server with the callees nickname, receives its IP as a response and establishes P2P communication between two hosts.

Callees nickname

Callees IP

Conversation

available solutions cont
Available Solutions(cont.):
  • There are couple solutions for VoIP security available nowadays.
  • SRTP and ZRTP protocols are both secured type of RTP (Real-time Transport Protocol), which is the 4th layer in VoIP.
  • Main problems of these protocols:
    • Clients shall perform initial master key exchange.
    • Not all SIP clients supports these protocols.
    • Special hardware for every client required to create strong master key.
  • There is no well known service for communication control management.
project requirements
Project Requirements
  • [R1] Rule Based Authorization
    • The system shall provide specified authorization of users according to the rules kept in the configuration storage.
    • Rules shall be user based or time based.
  • [R2] Security
    • The system shall provide clients with the ability to establish IPSec secured session, or an unsecured session, according to the rules kept in the configuration storage.
project requirements cont
Project Requirements(cont.)
  • [R3] Dynamic Configuration
    • The system shall provide users with the ability to control their own configurations, more specifically, the rules of the authorization, and the rules of the security.
    • The system shall provide the users with GUI in order to do that.
  • [R4] Communication History Storage:
    • The system shall store all the history of the communications that took place.
our project
Our Project:

Telecommunication Provider Server

JBOSS Server

JSLEE Server

Communication Control Application

Data Storage

SIP Request Event

Control Rules Manager

SIP Resource Adapter

HTTP

Host 2 IP

Pre-shared Key

SIP Request

Pre-shared Key

IP Host 2

IP Host 1

SIP Client

Enabler

Enabler

SIP Client

IPSec Communication

Configuration

Configuration

IPSec Module

IPSec Module

our project cont
Our Project(cont.)
  • Project Scope:
    • Communication Control Application: JSLEE service that provides Rules Based authorization and communication history storage as described in requirements [R1],[R4].
    • Enabler: Application, running on the host station, that will configure IPSec communication between clients [R2].
    • Data Storage: SQL based DB to store all the required data [R3],[R4].
    • GUI for Configuration Control Application [R3].
  • Project uses:
    • SIP client, SIP RA and SLEE server provided by Mobicents, IPSec module provided by OS.
  • Out of Scope:
    • Registration of users.
    • Communication between SIP Server and Communication Control Application.