, : -- -- CSV : 17 CSV MySQL 19, 2020 4000 0 2 9 FreePBX13 17, 2016 2000 0 11 3 FreePBX 13 29, 2016 5000 0 15 2 Bulk Extensions FreePBX 13 11, 2016 5000 0 0 2 FreePBX 13 Custom Context 10, 2017 2000 0 0 3 Call Waiting FreePBX 26, 2017 2000 1000 0 2 Cisco Unified Communications Manager (CUCM) 24, 2017 2000 0 0 3 CME CCP 07, 2018 0 0 0 5 CUC Cisco IMP 13, 2018 0 0 0 4 Asterisk - 29, 2019 28000 0 0 21 1 2
