, : -- -- Linux : 329 Asterisk 14, 2016 0 0 11 3 Asterisk 08, 2016 9000 0 27 6 SDN 14, 2016 0 0 0 5 Sugar CRM 12, 2016 80 0 0 3 Apache IIS 08, 2016 4000 0 0 5 Cisco 23, 2016 560 0 0 4 Cisco Unified Communications Manager 01, 2016 3280 0 1 6 Cisco Unity Connection 24, 2016 1000 0 0 3 3CX Phone System - , 29, 2015 120 0 0 5 FreePBX 13 28, 2016 3490 0 4 4 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33
