Part: GXW4502
Grandstream Networks GXW4502 Digital VoIP Gateway 2 T1/E1/J1 Spans

Part: YST-U100
Yeastar MyPBX U100 YST-U100

Part: TG800
Yeastar TG800 Yeastar 8-Port GSM Gateway

Part: TL-OC300
TP Link TL-OC300 Omada Cloud Controller

Part: YST-TG400
Yeastar NeoGate TG400 - VoIP GSM Gateway