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CUSTOMER-PREMISE SWITCHING SYSTEM FEATURES AND TELECOMMUNICATIONS

CONVERGENCE

С.Хандсүрэн (J.TC08D013)

Д.Баасанжав (J.TC08D022)

Б.Бодьсүрэн (J.TC08D707)

CUSTOMER-PREMISE SWITCHING SYSTEM FEATURES

The main purpose of both TDM and IP customer-premise switching systems is

identical. They connect voice users in the office to one another and to external users

over a pool of shared trunks. The differences lie in the way the two types of switch

accomplish their objectives.

CUSTOMER-PREMISE SWITCHING SYSTEM FEATURES

Key system featuresPBX featuresAttendant featuresPBX voice featuresSystem administration features

KEY SYSTEM FEATURES

These buttons and lamps define the following features, which are common to all key systems:

• Call pickup• Call hold• Intercom• Supervisory signals• Common bell

PBX FEATURES

•Direct Inward Dialing (DID)•Automatic Route Selection (ARS)•Networking Option•Station Restrictions•Follow-Me Forwarding•Call Detail Recording (CDR)•Voice Mail•N x 64 Capability

ATTENDANT FEATURES

•Attendant controlled conferencing•Automatic timed reminders•Busy lamp field•Direct station selection (DSS)•Directory features•Night service

PBX VOICE FEATURES

• Automatic call trace

• Call blocking• Call coverage• Executive

override• Forced account

code• Hoteling

PBX VOICE FEATURES

• Paging access• Personal call routing• Portable directory number• Priority ringing• Recorded announcement• Trunk answer any station• Whisper page

SYSTEM ADMINISTRATION FEATURES

•Automatic set relocation•Lightweight Directory Access Protocol(LDAP) synchronization•Network move

TELECOMMUNICATIONS CONVERGENCE

TELECOMMUNICATIONS CONVERGENCE

Convergence: Merging real-time applications such as voice, video, and instant messaging together with data onto a single broadband infrastructure that is based on IP.

CONVERGENCE TYPE:

The business case convergenceBarriers to convergence

WHY CONVERGENCE?

Above the physical layer, the Internet is diametrically opposite the PSTN in most ways, so why is the push on for convergence? The answer lies in a complex brew of economics, politics, culture, and technology. The term convergence holds different meanings for many people, so let us begin this section with a definition.

THE BUSINESS CASE CONVERGENCE

•Competitive Advantage•Lower Cost of Ownership•Support a Mobile and Geographically Independent Workforce•Flexibility•Create Value-Added Service•Enriched User Experience•Rapid Deployment of New Applications

BARRIERS TO CONVERGENCE

•Network infrastructure•Flow control•security•Broadband penetration •Service complexity•Lack of carrier agreements•Carrier and regulator inertia•Reliability and avialability•Compliance issues

Thank you for your attention.