|Hardware Infrastructure / Telephony SIP Deployment Scenarios|
The simplest single site deployment scenario has one Vocera Voice Server connected to one SIP telephony server using one PBX.
The following illustration displays the single site deployment scenario. This scenario does not take advantage of any high availability features, such as redundancy, scalability, and load balancing.
To add high availability to a single site Vocera system, an array of telephony servers can be installed, and two SIP trunks can be used to provide failover support. This scenario provides redundancy, scalability, and load balancing. The Vocera Voice Server handles outbound load balancing by automatically allocating calls to the least busy telephony server. The PBX handles inbound load balancing.
The following illustration displays a single site scenario with a telephony server array.