With any signaling-gateway integration, it is very important to spend time planning the namespaces and to determine whether any overlap exists. With Lync 2013 it is possible to use the same SIP namespace within Lync and the third-party system, but there is no requirement to do so. Many organizations use separate domains or subdomains for the video infrastructure to logically separate components such as using
companyabc.com for Lync users and
video.companyabc.com for video endpoints.
Using the same namespace presents a unified appearance to external partners, but can introduce additional challenges. Lync clients have historically used specific SRV records for remote sign-in, but Cisco clients can have overlap with some ...