IP Telephony PBX PBA Doha Qatar System Components

IP Telephony PBX PBA Doha Qatar System Components
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IP Telephony PBX PBA Doha Qatar uses modern technology to enable telephone calls to travel over “Internet Protocol” data networks. Here are some of the important components that make it work:
IP PBX
The IP PBX performs services for users such as call forwarding and voicemail. It also provides switchboard services and call routing, e.g. “Press 1 for Sales”.
Gatekeeper
The gatekeeper is the “traffic cop” of an IP Telephony PBX PBA Doha Qatar system. It routes calls between the various endpoints in the system –phones, gateways, multi-conference units, etc. It controls who is allowed to use the system and when. It also manages how devices use the network, ensuring that time-critical voice traffic has priority while controlling total network usage and maintaining quality of service.
Gateways
Gateways seamlessly connect IP phones to other telephone systems, including the traditional public telephone network and legacy PBX systems.
Gateways can also be used to “IP enable” a legacy PBX, allowing calls to be routed over the IP data network instead of the telephone network, saving on call costs. This “least cost routing” also allows you to centralize your telephone resources, reducing administrative costs.
Multi-Conference Unit (MCU)
An MCU allows a large number of users to join a single audio or video conference simultaneously. It manages the conference, controlling who can get in and allowing a moderator to control the discussion. The MCU can transcode data streams, allowing systems using different communications protocols or network speeds to communicate
at the same time. It may also interface to a streaming video server when a conference or seminar will be recorded for later viewing on demand.
Automatic Call Director/Interactive Voice Response
Large volume applications such as call centers require sophisticated control over how calls are routed. An automatic call director (ACD) queues calls for agents, prioritizing and routing calls according to the caller and agent specialties. Interactive voice response (IVR) systems offer voice prompts and read information from users to tailor calls, often accessing databases during the call. IP Telephony PBX PBA Doha Qatar technology eases the development of sophisticated applications while reducing operating costs.
IP Telephone
An IP telephone works just like the traditional PBX phone that sits on your desk, it simply plugs into the network instead of the telephone line. IP phones make employee moves easy, as the phone number is associated with the phone not the physical line.
How can IP Telephony PBX PBA Doha Qatar save money?
One Network: IP Telephony PBX PBA Doha Qatar eliminates the cost and administrative overhead required for separate voice and data networks. Why buy, support and manage two separate networks when all you need is one?
Toll Bypass: Calls between branch offices may take advantage of existing IP network connectivity as opposed to paying for PSTN (Public Switched Telephone Network) calls thereby saving money by routing long-distance calls over the IP network.
No branch office PBX: The remote branch may be set up to appear as an extension to the main branch, enjoying the same voice-mail, conferencing, and desktop handsets as the central branch, but without deploying a local PBX to handle off-network calls.
Lower Start-up Costs: Deployment of new IP Telephony PBX PBA Doha Qatar services requires significantly lower investment in terms of time and money than in the traditional PBX environment.
Quicker ROI: Investment payback in most cases is usually achieved within 12-18 months following installation.

What are the components of an IP Telephony PBX PBA Doha Qatar system?
IP Telephony PBX PBA Doha Qatar systems are composed of these basic elements:
End devices: these may be IP phones, traditional telephones and/or audio-equipped personal computers.
Gateways: handle signal translations between traditional telephone equipment and IP network devices.
Gatekeepers/proxies: the gatekeepers/proxies provide centralized call management functions such as user location, authentication, bandwidth management, address translation, etc.

There are so many vendors out there. How do I choose an IP Telephony PBX PBA Doha Qatar system?
An IP Telephony PBX PBA Doha Qatar solution should be reliable, scalable, standards-based, and provide the features and functionality that would meet your business needs.
Our customized systems employ distributed architecture that eliminates dependency on any single component for redundancy and reliability. And adding users or a new branch office is easier and relatively inexpensive compared to a PBX-based system.
Would I have to install it myself?
3Com Phones designs, sells, and installs IP Telephony PBX PBA Doha Qatar systems for companies of all sizes. We will design a customized IP Telephony PBX PBA Doha Qatar solution that will save you money and enhance your staffís productivity. 3Com Phones provides customer support and attractive service plan options to fit your needs and your budget.

How difficult is it to maintain an IP Telephony PBX PBA Doha Qatar system?
The best IP Telephony PBX PBA Doha Qatar solutions have simple, web-based tools where administrators can control components across the network with a browser, which eliminates unnecessary trips to remote locations. Our products use familiar IP networking, management and application concepts to decrease the learning curve of your staff, reduce or eliminate the need for additional staff, and minimize training.
Service plans are also available where our knowledgeable and experienced technicians can handle any problem, upgrade or modification.

Would an IP Telephony PBX PBA Doha Qatar solution provide the features my business requires?
IP Telephony PBX PBA Doha Qatar is the most affordable voice solution in addition to offering a rich set of call-processing features including voice mail, automated attendant, hunt/call groups, call detail reporting, computer telephony integration, unified messaging, and PC-based visual voicemail/e-mail clients that enable a peer-to-peer relationship between a userís phone and computer. By adding available software to an audio-equipped PC, users can view recent calls, make calls, access the system directory, even drag and drop telephone numbers from other PC applications or web pages. Our customized systems easily integrate with numerous off-the-shelf applications, including customer relationship management (CRM), call centers, and speech recognition. Advanced applications may also be added that will further enhance productivity.

Would I be able to link branch offices?
Our customized systems offer an extensive range of connectivity options to link branch offices as well as support for remote access users and telecommuters.

How could I introduce an IP Telephony PBX PBA Doha Qatar solution to my existing PBX-based enterprise without a major overhaul?
Some IP Telephony PBX PBA Doha Qatar solutions can seamlessly integrate with legacy PBX-based phone systems and even legacy phone sets in order to provide a migration path to IP-based telephony over time and at a rate that suits your business requirements.

What is SIP?
The Session Initiation Protocol (SIP) is a signaling protocol used for establishing sessions in an IP network. A session could be a simple two-way telephone call or it could be a multi-user/multi-media conference session. The ability to establish these sessions means that a host of modern services become possible.
SIP is emerging as the protocol of choice for setting up conferencing, telephony, multimedia and other types of communication sessions on the Internet. SIP may also be used for new types of communications, such as application-level mobility across various networks, including wireless, and across user devices.

How does SIP work?
SIP is a request-response protocol that closely resembles two other Internet protocols, HTTP and SMTP (the protocols that run the world wide web and email). SIP transforms telephony into just another web application and thereby facilitates easy integration with other Internet services.
Rather than defining a new type of addressing system, SIP addresses are much the same as an email address.
SIP manages the following basic communication functions:
User location
Session establishment
Session participation
Session feature establishment

What are the advantages of SIP?
SIP can establish multi-user sessions regardless of media content. SIP achieves this by the opening, modifying and closing of sessions over IP networks. These sessions could be as basic as a telephone call or as complex as a multi-party mixed media session.
SIP makes use of open Application Programming Interfaces (APIs) where customized services may be programmed and deployed that combine elements from telephony and other web applications such as email, messaging, video streaming and the Internet.

What are the components of SIP?
There are two basic components within SIP: the SIP user agent and the SIP network server. The user agent is the end system device such as a cell phone, PDA, multi-media handset, or PC. The SIP server is the network device that handles call signaling. The main function of the SIP servers is to provide name resolution and user location, since the caller usually does not know the host name or IP address of the called party.

I donít want to be a ìBetaî site for an unproven technology. Is SIP a standard?
Over the last couple of years, SIP has been adopted as the protocol of choice for signaling. SIP is an RFC standard (RFC 3261) from the Internet Engineering Task Force (IETF), the body responsible for administering and developing the mechanisms that power the Internet.
An ever-growing number of carriers and ISPs are offering SIP-based services such as local and long distance telephony, presence and Instant messaging, push to talk, rich media conferencing, and more.
A wide variety of SIP-enabled voice systems and phones are available that give consumers flexibility of choice and cost.

How can I tell if a SIP-enabled phone system is right for my business?
Choosing a phone system for your business is a decision that cannot be make lightly. A modern phone system must meet the following basic requirements. It must:
Meet the specific requirements of your business
Scale to meet future needs as your business grows
Make maximum use of 21st century features and functions
Fit within budgetary constraints
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