User manual

VOPTech GoIP User Manual
Voptel Technology Co., Ltd All Rights Reserved. 20
administrator only needs to provide a GSM number to the user to call in the VoIP system.
Each GoIP can operate in any of the following modes:
Prohibit: This mode is used when the GoIP operates independently.
Serve as the server: When GoIP operates in this mode, the administrator only needs to provide
the user with a GSM number of the GoIP as a unique access number to the
GoIP group. In one GoIP group, only one GoIP gateway can be used as the
server. When the GoIP serves as the server, the GSM unconditional call
forwarding or busy call forwarding can be activated. The unconditional call
forwarding is used to forward all incoming calls to other clients of the
group. The busy call forwarding is used to forward incoming calls to other
clients of the group when the status of the SIM card of the server is
ACTIVE.