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Preferred Architecture for Cisco Collaboration Release 15 On-Premises Deployments PAGE 23
Conferencing

• Instant or ad hoc — A conference that is not scheduled or organized in advance; for example, a call between two parties who add other parties to the call. • Permanent or rendezvous — A conference that requires callers to dial a predetermined number or URI to reach a shared conferencing resource. Meet-me, static, and rendezvous are other names for this type of conference. • Scheduled — A conference planned in advance with a predetermined start time. Recommended Deployment For audio and video conferencing in the Cisco Collaboration on-premises Preferred Architecture, we recommend the following: • Deploy Cisco Meeting Server for all conference types. • Deploy Cisco Meeting Management for meeting management, license management and Cisco Meeting Server web app provisioning. • Deploy Cisco Meeting Server in a cluster for high availability and increased scale. • Integrate the Cisco Meeting Server cluster with Cisco Unified CM through SIP trunks and registered media resource conference bridges for instant conferences. • Integrate the Cisco Meeting Server cluster with Unified CM through SIP trunks and route patterns for permanent and scheduled conferences. • Integrate the Cisco Meeting Server with Cisco Meeting Management for meetings management. • Integrate the Cisco Meeting Management with LDAP for CMS space creation and web app user provisioning. • Deploy CMS web scheduler to schedule conferences from CMS web app. For extended functionalities deploy Scheduling solution from Cisco Solution Plus partners to schedule conferences with Cisco Meeting Server.
Audio and Video Instant Conferences For instant audio and video conferences, use Cisco Meeting Server on-premises as the media resource. Cisco Unified CM has the HTTPS and SIP trunk interfaces to Cisco Meeting Server inside the instant conference bridges. HTTPS is used for conference control, while a SIP trunk is used for call signaling. These conference bridges are assigned to media resource group lists (MRGLs) and media resource groups (MRGs) in Unified CM. Unified CM uses MRGLs and MRGs to prioritize and allocate media resources such as conference bridges, music on hold sources, annunciators, transcoders, and media termination points (MTPs). If endpoints have access to the appropriate MRGL, they can request these resources. Resources local to the initiating endpoint are preferred over remote resources (Figure 8).