1. CIS Solution to Recording System Availability

2. Solution to System Availability – Loss of Recording Http:// www.crystalrs.com 2011 Crystal Innovation Solution Limited All Rights Reservedwww.crystalrs.com Full Web Based Search, Replay, Monitor and Management Agent controlled recording control and data collection Centralized Data Storage Failure to be triggered by CTI events PBX/IP PBX CTI Server X CL Recorder automatically switched to be triggered by D-ch on/off hook Even worse, D-Ch raw information can not be captured, triggered by energy detection By any necessary means to prevent loss of recording

3. Solution to System Availability – Loss of Data Access Http:// www.crystalrs.com 2011 Crystal Innovation Solution Limited All Rights Reservedwww.crystalrs.com Full Web Based Search, Replay, Monitor and Management Agent controlled recording control and data collection Centralized Data Storage with Local Storage PBX/IP PBX Hot Swap hard Drive Or DVD-RAM X 2 running in parallel X Loss of data access to recorder Retrieved from centralized data storage Hot swap hard drive or DVD-RAM (running in parallel) to protect local data Both local and central data storage are running in parallel to secure the data access. In case loss of any of them, all calls are still safe in another N+1 redundancy for central storage is supported for higher level N+1 redundant

4. Solution to System Availability – Loss of Recorder Http:// www.crystalrs.com 2011 Crystal Innovation Solution Limited All Rights Reservedwww.crystalrs.com Full Web Based Search, Replay, Monitor and Management Agent controlled recording control and data collection Centralized Data Storage PBX/IP PBX Switch to another automatically X Retrieved from centralized data storage Hot swap between multiple records, if any failures are detected, immediately switched to the one that is standby Support both 1+1 and N+1 or even N+N relying on multiple tapping points or SPAN points Database will be Synchronized once the failure recording is back on line N+1 or 1+1 Hot Redundant Multiple Tapping Points

5. Solution to System Availability – Loss of Recorder (for VoIP only) Http:// www.crystalrs.com 2011 Crystal Innovation Solution Limited All Rights Reservedwww.crystalrs.com Full Web Based Search, Replay, Monitor and Management Agent controlled recording control and data collection Centralized Data Storage CL Data Distributor X As a packet forward server, CL Data Distributor stands with built-in service Multiple CL recorders connected to CL Data Distributor as a hunting group By monitoring working load for each CL recorder, like CPU, Memory etc., CL Data Distributor forward packets anyone of them who is running under lower pressure If there is anyone of them failures, CL DD stops forwarding packets to it and will be switched to any other who is available For perfect availability – CL DD can be hot redundant also Switch Hunting Group Switch to anyone available Redundant also