Zycoo’s PBX-U20 is a 2 port IP PBX system which supports 32 users and 15 concurrent calls. This unit does not include any modules and therefore is best suited VoIP only installations. The PBX-U20 is a fully-featured mini Asterisk IP PBX system designed for small to medium enterprises.
*Note:?Modules are not included. This unit is not compatible with Yeastar Modules.