What is VoIP?
What are the advantages of VoIP over analog PSTN lines?
What type of service and equipment are needed for VoIP deployment?
Can I use dial-up for VoIP or do I need broadband?
Do I need a computer to make/receive VoIP calls?
Can I surf the web during VoIP calls?
Should I use an ATA or an IP phone?
How I can make/receive free VoIP calls to/from remote location?
Can VoIP make and receive calls to/from PSTN lines?
What are VoIP Service Providers (VSPs)?
What are IP PBXs?
What are VoIP Gateways?
What are FXO and FXS ports?
What are PSTN failover lines?
Which VoIP signaling protocols are commonly used?
Which VoIP codec should I use?

What is VoIP?
 
Voice over Internet Protocol (VoIP) - technology that enables one to make and receive phone calls thru the Internet instead of using the traditional analog PSTN (Public Switched Telephone Network) lines.

What are the advantages of VoIP over analog PSTN lines?
 
The primary main advantage of VoIP over PSTN lines is cost (it's cheaper!) Other advantages of VoIP are as follows: digital features not commonly available on PSTN lines such as voicemail, caller ID, conference, music-on-hold, etc.

What type of service and equipment are needed for VoIP deployment?
 
The following equipment and services are required for VoIP deployment: High-Speed Broadband connection, IP Phones (Softphones will require PC) or Analog Telephone Adapters (ATAs) and VoIP Service Provider (terminate calls).

Can I use dial-up for VoIP or do I need broadband?
 
Dial-up can be used for VoIP when necessary or if its the only type of connection available. However, we recommend using broadband since certain VoIP codecs (e.g. G.711) require higher bandwidth.

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