The Alvondo SIP VPN is a hosted realtime multimedia network. If you need to connect various devices and SIP services together over the Internet, but need a trusted platform, the Alvondo SIP VPN service is what you need. In the SIP VPN, you get your own SIP address space and can be sure that no outsider can connect to your network without previous approval.
The SIP VPN can include various SIP services like
- SIP Presence servers
- SIP Media relays for NAT and IPv4/IPV6 handling
- SIP IVR services
- SIP voicemail
- SIP registrars – for phones and SIP enabled devices