What is VoIP, or Voice over Internet protocol?

VoIP (voice over IP - that is, voice delivered using the Internet Protocol) is a term used in IP telephony call to a group of resources that allow voice to travel over the Internet or your Internet Protocol or IP protocol. In general, this means sending voice in digital form in packets rather than sending in the form of a switched circuit as a conventional PSTN telephone company. The main advantage of such services is that it avoids the high telephone charges (mostly long distance) per ordinary companies. Currently the quality of voice is indistinct between a VoIP call and a conventional call.

VoIP
VoIP, VOP Chip Processors and Voice over IP packets solutions developed by AUDIOCODES, leaders in the VoIP market for VoIP equipment and VoIP technology.

Why is the cost of a long distance call for VoIP lower than the telephone companies?

The elements of cost in a call from a PC Phone (PC2P) are:
a) The cost for connecting the PC to the Internet via an ISP or Internet provider. This cost is usually covered and that the bulk of the firms have an Internet connection.
b) The cost to connect the VoIP Gateway to the final destination. In most cases, the connection gateway to the endpoint is a local call.
The cost of long distance transmissions is absorbed as the data call or travel across the Internet, the above results that the total cost is minimal.

The elements of cost in a call Device-A Phone (D2P) are:

c) The cost to connect to the Internet gateway device or through an ISP or Internet provider. This cost is usually covered and that the bulk of the firms have an Internet connection.
d) The cost of the device. The cost of the device varies depending on the capabilities that are desired, it is recommended that the gateway is the Cisco brand and costs about $ 2688.93 pesos. for more information: http://www.tsares.net/VoIP/VoIP_Mexico.htm
e) The cost to connect the VoIP Gateway to the final destination. In most cases, the connection gateway to the endpoint is a local call.
The cost of long distance transmissions seabsorbe since data call or travel across the Internet, the above results that the total cost is minimal.

How does traditional phone service work?

The traditional telephone network is known as PSTN stands for Public Switched Telephone Network or Public Switched Telephone Network and uses the circuit switched technology to transmit calls. Establishing a dedicated connection or a circuit that connects the two parties involved in communication. When you dial a phone number there is a dedicated path from the caller's phone until you receive the call. The network provides real-time transmission with guaranteed quality of service provided by the dedicated circuit during the call. The circuit is not used efficiently because it is dedicated during the duration of the call but most of the conversations are composed mainly of silence, so the circuit is in use and not actually transmitting anything.

How does the VoIP service work?

VoIP is different from the PSTN because it uses dedicated circuits. The information is transmitted over the Internet in data packets and this is very efficient because the network is used only when transporting data packets.
When you use an IP network like the Internet to transmit voice, there are several factors that can affect the voice quality, such as Internet connection speed, Internet traffic, latency (the delay that occurs when someone who speaks and the other person can hear).
The method of collecting VoIP is based on the destination of the call and the duration.

Device to Phone (D2P a Phone or Device)
Low cost. In calls to over 200 countries in the world and across the country including cell phones.
No PC required. This system uses regular phones or fax machines connected to a low-cost device (gateway) to be connected to the Internet, without a computer.
Best Quality. The voice quality of calls is improved thanks to the hardware that compresses and decodes the signal travels over the network to improve performance and quality.
Ideal for SMEs, as they save on long distance calls.
Ideal for your Cyber Café, offer the service of long distance calls to your users and get extra benefits.

Business VoIP
Interconnection branch through various devices which eliminate the costs associated with telephony between branches.

Why does VoIP leverage the best technologies than the conventional telephone network or PSTN?

A limitation inherent in the PSTN is that intelligence resides in the Central Office (CO) of the telephone or switch (or PBX's) of companies. The technology in these systems is highly reliable but changes are expensive and slow to perform.
In contrast, IP architecture uses networks of servers and routers that are readily scalable in power, and numerous innovations in software offers new features and functionality, the above results that for example of high-class routers can process more information in a fraction of the cost and size of a switch from the traditional Central Office (CO) of the telephone.

What is a VoIP Gateway?

The VoIP Gateway allows Internet phone calls to be sent to the public telephone network (PSTN Public Switched Network) and taking it into the voice packets that can travel over the Internet and vice versa. This allows calls to any phone number from a PC or any device that is connected to a VoIP Gateway.

What is SIP?

Session Initiated Protocol is an Internet standard used for initiating interactive user sessions as voice or chat. SIP can set up calls over the Internet or IP Telephony. This makes it possible for users to initiate and receive calls from anywhere in the world.

What are the advantages to using VoIP?

The main advantage of the service is the significant savings on international calls.
This applies to the same rate at any time of day or night.
Have extensive plans and devices to meet the needs of all users, from home user up to hundreds of corporate users.

Does the IP address you require is static or dynamic, certified or private?
The IP address can be any valid IP address with Internet access, ie:
Can be closed behind a NAT
May be approved
Can be assigned by a DHCP or
Can be assigned manually

How are companies implementing VoIP technology?

VoIP technologies are available for businesses as solutions or as incremental additions to work harmoniously with telephones and computer equipment available.
The benefits of VoIP are very attractive and many companies are already implementing these solutions, others are exploring and examining how they can benefit. In large corporate adoption of these technologies will be slow because they already have large investments in telephone equipment.
Surprisingly it is the SME market which is largely benefited by this new technology as it can take advantage of their current investment in equipment and start saving with VoIP.

What network conditions affecting the voice quality, or quality of the calls?

VoIP quality is subject to the following conditions for network communications:
Bandwidth - Each call is average and minimum requirements for bandwidth. If the bandwidth of the IP network can not support the minimum requirements, the voice quality is not good, or the voice is cut off. The IP network must meet the minimum requirements for maintaining a call for our service 17kpbs call is the minimum required.
Delay - The delay in the voice during a call will cause difficulty in the interaction between the parties involved.
Packet Loss - The IP networks between large blocks of data into smaller blocks called packets. These packages will be lost at some time during the transmission, if there are delays in the network or its quality is bad, the voice will be distorted at the destination due to the loss of such packets.
Fluctuations or Jitter - If an IP network produces different for different packets introduces latency called Jitter that are continuous fluctuations between two packages. Jitter causes a severe distortion of the voice.

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