, : -- -- ACK : 248 CallBack Asterisk FreePBX 13 27, 2016 0 0 11 2 Callback Elastix 4 23, 2016 0 0 0 2 Backup FreePBX 13 17, 2016 0 0 69 8 Web Callback FreePBX 13 22, 2016 0 0 5 6 FreePBX 13: Backup 23, 2017 120 20 0 2 WEB callback Asterisk 06, 2017 2750 40 34 5 Asterisk Slack 13, 2017 990 0 33 5 Callback CUCM 12, 2018 240 0 0 2 Cisco Packet Tracer VoIP 23, 2018 160 10 3 3 OSPF Cisco Packet Tracer 27, 2018 40 0 2 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
