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An Open Source IP-Telephony. By. * astTECS THE TRUE IPPBX ISO 9001:2008 COMPANY. In association with. &. TRADELINKS PVT LTD. PSTN. pair of copper wires. manual routing at local exchange office. public switched telephone network. PSTN Topology. Switching Office City A. Switching

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an open source ip telephony
An Open Source IP-Telephony

By

*astTECS

THE TRUE IPPBX

ISO 9001:2008 COMPANY

In association with

&

TRADELINKS PVT LTD

slide2

PSTN

pair of copper wires

manual routing at local exchange office

public switched telephone network

slide3

PSTN Topology

Switching

Office

City A

Switching

Office

City B

Trunks

slide5

EA PBX system

1 – Extension to Extension

2 – Extension to PSTN

slide6

Limitations of EPBX system

  • Limited no. of extensions
  • Complex wiring system
  • Less flexibility for user
  • No expanding facility
  • No facility when user is offline
  • Difficult to maintain
slide8

VoIP

VoIP

  • VoIP stands for Voice over Internet Protocol
    • It provides a means of transmitting voice communication over an IP based network
    • VoIP can use a variety of types of VoIP, by far the most common types
slide10
IP PBX can enable each and every employee/person in an organization to be provided with a voice extension

Easier to manage the routine operations because of web/GUI based configuration interface

It eliminates phone wiring

Telephone Bill savings

IP PBX

slide11

IP PBX

  • IP PABX is a hosted PBX solution, which uses internet as the backbone and uses IP protocols to deliver crystal clear digital voice quality.
  • No extra hardware, software or extra wiring
  • Only VoIP Server, IP Phone sets are required
  • Existing Ethernet wiring can be used as telephone wiring.
slide13

Features of VoIP-PBX

  • Multiple Extension Number Management
  • Voice Mail
  • Voice Call Recording
  • Call Forwarding
  • Call Waiting
  • Call Hold
slide14

Flexibility

  • The same PBX can be easily accessible in multiple locations with as many as 1000 extensions depending upon the system configuration
  • The entire company/organization can use same Ethernet cabling / WiFi for calling
  • Supports multiple service types and partner relationships from a single control point.
slide15

The IPPBX system example

  • Intel Pentium 3.0 GHz CPU
  • 1 GB RAM
  • 350 GB Hard Drive
  • LAN
  • Keyboard /Mouse
  • VoIP phones:

A VoIP phone looks like an ordinary corded telephone, but it connects directly to a computer network

slide16

The WiFi Mobile

  • WiFi Phone
    • Android based wifi mobile
    • Can use SIM card for personal calling as well as wifi for internal organization calling
slide17

Software

  • SoftPhones convert any multimedia PC into the functional equivalent of a telephone, allowing users to make calls over any internet connection
  • Android app C-SipSimple
  • Linux Based Operating System
  • Asterisk IPPBX package
slide18

Features

-Call Monitoring-Call Queuing-Call Recording-Call Waiting-Caller ID-Caller ID on Call Waiting-Dial by Name-Music On Hold

  • Voicemail: - Visual Indicator for Message Waiting - Stutter Dialtone for Message Waiting - Voicemail to email - Web Voicemail Interface

-Extensions as per Server Configuration

--Blacklists-Call Transfer-Call Detail Records-Call Forward on Busy-Call Forward on No Answer-Call Forward Variable

slide19

Benefits

Easy to manage using web

Android wifi mobile extensions

Voicemail facility if user is offline

Call waiting service

Audio & Video conferencing

Low maintenance cost

Extensions can be created or deleted easily

No need of extra wiring

Much easier to install & configure than a proprietary phone system

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