How is this a good Internet phone call?

Converts voice management data

Before can transfer a call over the Internet, you must first in small pieces of information known shared as digital packets.

A voice over Internet Protocol (VoIP) phone or router performs this function behind the scenes, so that the process for the user transparent. How the user speaks of the phone or router converts voice and ambient sounds of packets, each packet with the IP (Internet Protocol)-receptor labels and packages sends to the Internet.

Packages transmitted over the Internet

Each package by phone or router originates is individually identified by an IP address where it should stop.

Since Internet connections do not follow a physical circuit, some packages different routes from the Internet, but in general all finished can target.

Converted back to voice packages

Package, the order in which packages should be composed by the recipient are the same data block that contains the IP header.

Packages arriving at the end of the recipient, the recipient collects data and converts the data packets in his. This noise is then played through the speaker phone reception or in cases where sounds are a VoIP gateway that connects with the public switched telephone network (PSTN), the receiving party transfer into electrical impulses through a standard phone line.

Latency, jitter and packet loss

Because the Internet is not regulated and took the same standards as the public switched telephone network (PSTN) voice sometimes calls relating to the manner in which suffer quality that

Packets are sent over the network. In some cases verursachigh congestion on the Internet or a local ISP of the brief (ISP) packets delayed, resulting in the called party a short silence before any sound. This condition is called latency. A related issue results in that data packets that take different routes in the Internet - get and again assembled sporadically (some packages arrive in time, others come too quickly and other arrives at the end). This condition, jitter, causing one or both parties to hear an echo, a voice quality and acceptance or digitized audio (some people experience jitter describes the other party in the survey as robot) called. In extreme cases, packets sent over the Internet can be removed, redirected or fail completely reach their destination. This condition of packet loss can cause that where parties or not hear a temporary hole in the phone. In most cases time latency, jitter and packet loss question either disappears on its own network traffic jam deletes or problem can be resolved by the termination and the resumption of the call.