Voip Wise

Site publishes articles, news, and review on voip and related products and services.

Thursday, June 15, 2006

Anatomy Of a Typical Voip Call (part two)

Placing voip calls on a personal computer

Voip calls can also be placed or initiated from a personal computer (PC). Placing voip calls on acomputer is different and requires some specialized hardware and software. To successfully place a voip call on a computer, you would need a microphone for voice input, a speaker and sound card for sound output, a broadband or DSL connection to Internet for access and a voip software for interface. The software creates on the screen a similar interface as you would see on a telephone receiver.

Friday, June 09, 2006

Anatomy Of a Typical Voip Call (part one)

Have you wondered how a typical voip call happens? Here is part one of a basic voip call anatomy.

Anatomy Of a Typical Voip Call

Like a PSTN Phone call, every voip call has a beginning, a process and a termination point. Voip sessions start in any to three ways: They can be initiated oer a PSTN device/phone, a PC, or with a SIP Phone.

Placing a VoIP call using a PSTN or regular phone is no different from making a traditional phone call, except that the call is passed or routed through an Analog Telephone Adapter (ATA).

You see, the Internet is a digital world and those who wish to play, must play on a digital plan field. For that reason, your analog voice signal from your regular phone device, must be transformed into a digital format before being sent over the digital playing field of the Internet.

The job of converting your analog voice signal falls in the purview of your Analog Telephone Adapter (ATA).