SIP Trunking
The Wiki of Unify contains information on clients and devices, communications systems and unified communications. - Unify GmbH & Co. KG is a Trademark Licensee of Siemens AG.
SIP trunking refers to a voice over IP trunk connection of an IP PBX to an Internet Telephony Service provider (ITSP) using the wide-spread SIP protocol for call control.
Details for the small and medium HiPath platforms can be found at Collaboration with VoIP Providers.