2/22/11  

Many organizations choose to integrate Microsoft Lync with an existing PBX, at least on a temporary basis. This integration could be used as part of a pilot to test Lync or to temporarily leverage an existing PBX investment until end of maintenance. Sometimes integration is required only on a short-term basis as the organization migrates to Lync Enterprise Voice. Whatever the reason, some key points need to be considered when planning your integration.