Net6 has a range of VPN gateway products for VoIP applications, as well as its Hybrid-VPN appliance that combines SSL and IPSec technologies in a way that supports all protocols and applications in native form without any need for custom-built web applications. That system uses a URL-distributed client that automatically updates when a user connects to the network.

The Net6 products are aimed at IT shops that are torn between wanting to use IPSec VPNs for both data and voice remote access but are put off by the management overhead and lack of access from behind customer or partner firewalls, or are considering the use of SSL-VPN remote access for data applications and a separate IPSec VPN deployment for remote IP telephony. The Hybrid-VPN manages both data and voice from behind any firewall, the company said.

The acquisition of San Jose, California-based Net6 follows the takeover earlier this year for up to $237m of privately held Expertcity Inc, which provides software and services that enable people to access their PCs from any web browser. That takeover allowed Citrix to get its hands on the GoToMyPC service, which allows users to access their own PC whilst on the road, and GoToAssist, a similar service designed to allow support staff to access a user’s PCs remotely.

Citrix said it expects this latest acquisition to add between $5m and $8m in revenue next year.