AASTRA MX-ONE V4.0 OCS 2007 Quick Setup Guide - Manual (Page 5)

Quick Setup Guide
Doc. No. ASE/MXO/PLM/ 0123 / EN Rev.C Date: 01.12.2011 5/18
o Microsoft
®
Office Communications Server 2007 R2 Standard or Enterprise
Edition
o Microsoft
®
Mediation Server
o Client
o Microsoft
®
Office Communicator Client (OC Client)
The Microsoft
®
Office Communicator Client (OC Client) is the end user device in the Microsoft
®
OCS 2007 R2. It may also be used as a soft-client with MX-ONE when the systems are
integrated via the optional Dual Forking scenario.
2.1 Direct SIP
In Direct SIP integration, referred to as Enterprise Voice by Microsoft
®
,, Office
Communicator users will have dedicated phone numbers that differs from those used in the
MX-ONE.
Figure 2 - Direct SIP user view
This enables the Office Communicator (OC) client to make and receive external calls
through a PC. The calls are routed from the OCS by the SIP trunk to the MX-ONE and
further to the PSTN and vice-versa.
Figure 3 - MX-ONE Signaling