, : -- -- FreePBX : 186 Asterisk: SMS 05, 2018 2000 0 0 4 Yealink SIP T21-E2 19, 2018 3000 0 0 2 Hot Desking Asterisk 24, 2018 49000 0 3 4 Asterisk 16, 2019 2000 0 0 2 Grandstream GXP1610 17, 2019 5000 0 0 2 Digium TE122 Asterisk 20, 2019 1000 0 0 2 Cisco 7811 Asterisk 22, 2019 4000 0 3 8 Asterisk - 29, 2019 32000 0 5 21 20 04, 2019 10000 0 0 10 Merion Metrics: IP - Asterisk 28, 2020 0 0 0 7 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
