Using a SIP trunk (SIP-T), VirtuoSIS can be connected to one or several thirdparty SIP servers. As soon as a SIP-T connection is established, there is an huge mutual benefit: all servers are able to use numerous of features and functions of the other one.
Highlights SIP-T features:
–– Each channel can be assigned to a separate trunk
–– Up to 8 SIP trunks per card
–– The trunk automatically selects one of the free assignment channels
–– Line monitoring
–– Configuration of dial-prefixes, pre-dialling and code numbers for easy call numbers within the system
–– Call history with up to 20 entries (0T)
–– Basic Intercom functions (e.g. calls)
–– Executive-secretary transfer chain
–– Initiator conference
–– Alarm receiver
–– Control desk function
–– Auto dialler mode
–– Audio mixing for speech recording
–– PA function (for phone call by direct outward dialling)
–– Radio feed-in (4T, 6T)
–– Protocols used for SIP-T: UDP, TCP and TLS