What is an IP Phone?

An IP phone can operate on a simple software program, in which case it is called a softphone, or it can operate with a purpose-built hardware device that, for all intence and purposes, looks exactly like a conventional telephone or a wireless phone. The purpose of the IP phone is to allow VoIP calls to be made inexpensively and efficiently over an IP network like the Internet (rather than the ordinary PSTN system), or through a private business IP network.

An IP phone consists of a keypad or touch pad with which the caller enters the phone number and text, just like with a conventional telephone. It has a speaker and usually an ear phone and microphone. The phone has display hardware the processes the messages from the VoIP application. It has ADC and DAC converters that are used to convert voice to digital data that can be transmitted through the Internet.

The Internet phone has a multitude of purposes in businesses small and large. Its primary function is to deliver reliable connections that are crisp, clear with a phone system that is easy to operate and maintain. VoIP phones do need a power source at all times. If the power is disconnected, all phone calls will be dropped unless and adaptor device is added to the system that can temporarily keep it up and running for awhile if an accidental power outage occurs.

The IP phone has wireless network hardware or uses Ethernet to send and receive messages on a data network. They also have a general purpose processor that is used to process application messages.

VoIP functions can be performed by SIP enabled WiFi mobile phone. A Session Traversal Utilities for NAT (or STUN) is used on IP phones that re SIP-based to act as a firewall that blocks or allows certain data packets. When configuring TCP/IP parameters, a DHCP client may be utilized. It may also be used with server details in cases when a network segmented with a configuration and dynamic IP address.

The Internet phone comes with certain standard features that can help businesses manage their customer interactions and help business while saving the company considerable amounts of money over conventional telephone systems. For example, it is common for the VoIP phone to come equipped with caller ID, so the company can determine ahead of time who is calling. The typical IP phone will also have network-based and local directories that can assist callers in quickly and easily finding their desired extensions. Conference calling is also a feature that is usually standard on the IP phone. This is one of the best features offered on the Internet phone because again, the company can save money. In this instance, they can save on travel expenses for employees who might normally have to fly in for the conference. VoIP lets people confer from any location that has high speed Internet.

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