, : -- -- Gigaset N720 : 5 Gigaset N720 - 15, 2015 0 0 2 4 Gigaset S810H DECT 04, 2016 0 0 0 3 Gigaset N510 IP PRO R650H PRO Asterisk 07, 2018 1000 0 0 2 Gigaset N870 IP PRO IP- 3CX 17, 2019 0 0 1 4 Gigaset DECT IP PRO IP Yeastar S 22, 2020 0 0 0 3
