multiSwitch – user manual
© TOPEX 2008 166
quality and reliability of the VoIP technology evolved so much that some users completely waived the
standard telephony contracts, in favor of the VoIP telephony.
VPN
– Abbreviation for
Virtual Private Network
– represents a private communication network
commonly used by a company or by several companies or organizations that desire to communicate in
a confidential manner over a public network. VPN traffic can be transported over a public network
infrastructure (such as internet) in the higher level of standard protocols, or over a private network with
a SLA level (Service Level Agreement) defined between the VPN client and the VPN service provider.