FAQ

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FAQ: Unified Communications / VoIP

What is Unified Communication?
How unified Communications is useful for my business?
What is IP-PBX?
What is CODECS and Various types of CODECS?
What is DID (Direct Inward Dialing)?
What is Eco Cancellation?
What is FXO and FXS?
What is IVR / interactive voice response?
How IP-PBX and IP Phones works together?

What is Unified Communications?

Unified Communication is a union of various communication technologies which integrate to form a platform called as “Unified Communication”. It includes various communication platforms like phones,email,chat,Voicemail,Instant Messaging,Video Conferencing, and Fax. It is typically a software platform that can be managed via a single centralized application.

How unified Communications is useful for my business?

Various business benefits of unified communications are as follows: Reduce total cost of ownership and the process of deployment and management of Unified

Communications

Unified Communications helps professional to be more productive by providing them a central platform as a communication mode. Even the professionals can also keep in reach while they are at any remote location. Batter communication between customer service and support team through presence module, call forwarding and other tools results into resolving customer issues more quickly and also reduce the cost of onsite support. Provides an integration with the existing automation system which helps to respond fast while incident situations. Company must be able to resolve the issues faster as entVoice UC is fully populated with names, phone numbers, email address, IM Names, audio and video conference access etc…. All the communication layers will work in a seamless manner providing a standard form of enterprise communication. Audio and Video Conferencing module can help to connect various people throughout the globe without giving their physical presence and hence saves a lot of time and money.

What is IP-PBX?

IP-PBX is the next generation PBX system that works over IP Platform with capability to handle analog, GSM and VoIP network in seamless manner.

What is CODECS and Various types of CODECS?

With respect to voice over IP, a codec is an algorithm used to encode and decode the voice conversation. Since voice and sound as we hear it is analogue, it needs to be converted (or encoded) to a digital format suitable for transmission over the Internet.

What is DID (Direct Inward Dialing)?

DID is a telephony features offered by European Telephony Service Provider, This service provides a block of telephone numbers for calling into a company's PBX system. Using DID, a company can offer its customers individual phone numbers for each person or workstation within the company without requiring a physical line into the PBX for each possible connection. These DID system can be used for fax and voice mail as well as for live voice connections. Compared to regular PBX service, DID saves the cost of a call operators, calls go through faster, and callers feel they are calling a person rather than a company.

What is Eco Cancellation?

Echo cancellation is the process of removing echo from a voice communication in order to improve the voice call quality. Echo cancellation is often needed because speech compression techniques and packet processing delays generate echo. There are 2 types of echo: acoustic echo and hybrid echo. Echo cancellation not only improves quality but it also reduces bandwidth consumption because of its silence suppression technique.

What is FXO and FXS?

FXO: Foreign Exchange Office Interface device delivers POTS service from the local phone company’s Central Office (CO) and must be connected to subscriber equipment (telephones, modems, and fax machines). In other words an FXS interface points to the subscriber. An FXS interface provides the following primary services to asubscriber device:
Dial Tone
Battery Current
Ring Voltage

FXS: Foreign eXchange Office interface (the plug on the phone) receives POTS service, typically from a Central Office of the Public Switched Telephone Network (PSTN). In other words an FXO interface points to the Telco office.

What is IVR / interactive voice response?

Interactive Voice Response or IVR is a telephone technology that communicates with a caller through configurable voice menus and data in real time. In an IVR system, callers are given the choice to select options by pressing digits. IVR System can normally handle and service high volumes of phone calls. With an Interactive Voice Response system, businesses can reduce costs and improve customers’ experience as Interactive Voice Response systems allow callers to get information they need 24 hours a day without the need of costly human agents.

How IP-PBX and IP Phones works together?

The Voice Network comprises of one or more IP Phones, Soft Phones and also Analog Phones in optional Mode. IP PBX is a hardware server comprises of software to manage to entire VoIP Network. Various SIP Phones are connected to IP PBX over the Ethernet These SIP based IP Phones will be first registered in IP PBX when get connected over Ethernet. When these phones makes an inbound extensions call or any other outbound calls IP PBX will establish the connection. IP PBX will comprises of a directory containing the address of various IP Phones connected over the network.