Voice over IP (VoIP) networks can fall victim to the same security risks that threaten data networks, so Context always recommends thorough and rigorous security testing of any VoIP network. These tests include a reconnaissance exercise to determine which protocols are in use; examination of all types of VoIP handsets in use within the network, together with voice servers and border protection systems; network sniffing, to collect VoIP calls then replay them in an audio format; assessment of the potential to use the network for a denial of service (DoS) attack; and packet analysis to assess authentication mechanisms.

See the telecoms services page for details of the other VoIP services we provide.