, : -- -- DECT : 12 Gigaset S810H DECT 04, 2016 0 0 0 3 ZyXEL Keenetic DECT Asterisk 17, 2017 0 0 0 4 Gigaset DECT IP PRO IP Yeastar S 22, 2020 0 0 0 3 3CX Phone System - , 29, 2015 0 0 0 5 Gigaset N720 - 15, 2015 0 0 2 4 Grandstream DP715 Asterisk 26, 2016 0 0 0 3 Grandstream DP750/720 07, 2018 0 0 0 4 01, 2018 7000 0 0 23 Gigaset N510 IP PRO R650H PRO Asterisk 07, 2018 1000 0 0 2 Yealink W52P Asterisk 14, 2018 4000 0 0 3 1 2
