Virtual PBX System Requirements

CompletePBX Hardware and network requirements

CompletePBX Network Requirements

Latency – under 100ms
Bandwidth – 85 Kb/s per call (times the number of concurrent calls + spare)
Packet loss – under 0.3%, preferably as low as possible

Minimal Resources for Office PBX

Extensions/Calls (15%)50/10150/25500/751000/1503000/450
CPU1 core 2 core 2 cores aprox 2.0 GHz 2 cores, aprox. 3.0 GHz Xeon E3 4 cores aprox. 3 GHz
RAM1 GB 2 GB 2 GB 4 GB 4 GB
Storage (SSD)* 10 GB 15 GB 20 GB 40 GB 50 GB

*For call recording calculate 1MB per minute (uncompressed).

Minimal Resources for Call Center PBX

Call center with call recording30 calls70 calls150 calls
CPUi3 2 cores aprox. 2.8 GHz Xeon E3 4 cores aprox. 3.2 GHzXeon E5 8 cores aprox. 3.6-4.0 GHz
RAM1 GB 1 GB 2 GB
Storage (SSD)* 50 GB100GB 200 GB

*For call recording calculate 1MB per minute (uncompressed).