See Service Manual – SIP Trunk Provider chapter for general configuration
The following specific configuration steps should be performed additional
to configure SIP trunk between OpenScape 4000 and Skype for Bussiness:
- Configure OpenScape 4000 routing – please see Service Manual – SIP
Trunk Provider chapter
- Configure vHG 3500 – please see Service Manual – SIP Trunk Provider
chapter
- Configure Skype for Business Server 2015.