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======System Requirements======
=====Minimum Requirements=====
For the subsystem, you can use hardware or virtual machines with the following specifications:
  * Processor (CPU) — 2.5 GHz, 1 unit
  * Random Access Memory (RAM) — from 2 GB
  * Hard Disk Drive (HDD) — 50 - 250 GB
  * Operating System — CentOS 8.x, [[en:veos:installation|VEOS]], CentOS Stream 8.x, Ubuntu
  * Network Interface Card (NIC) — from 10 Mbps

=====Recommended Requirements=====
^ Subscriber base  ^ Active users of WiFi Calling  ^ vCPU, cores  ^ RAM, GB  ^ HDD, GB  ^ NIC, Mbps  ^
| 5000             | 650                           | 4            | 8        | 100      | от 100     |
| 10000            | 1300                          | 4            | 12       | 100      | от 100     |
| 50000            | 6500                          | 24           | 16       | 100      | от 1000    |
| 100000           | 13000                         | 32           | 32       | 100      | от 1000    |
| 1000000          | 130000                        | 48           | 64       | 100      | от 10000   |
| > 1000000        |  on request                                                                 |||||