Security in VoIP has not been a very popular subject so far, but with the increasing demand for VoIP, it is becoming an important concern. VoIP security threats are increasing in number.
VoIP Security Threats -
Making Your VoIP Secure
VoIP Phishing - What It Is And How It Works
Do Softphones Make My Network or Machine More Vulnerable?
Simple VoIP requires very little equipment. More advanced communication Voice over IP requires more sophisticated equipment. What is the equipment for VoIP?
Common VoIP Hardware Devices
IP Phones - Special Phones for VoIP
What is an ATA?
What The Lights On Your Phone Adapter (ATA) Mean
What is a Router? - The Functions of a PBX