To all respective customers,

We had released a new version of VoIP gateway/IAD/ATA(GT-IAD-4FXS/FXO). It can support H.248/MGCP/SIP  and 4FXS/FXO or 4FXS+4FXO in one box. End user can select the protocol via Web management.  The equipment is fix for customers whom have H.248/SIP/MGCP in one network. So in this scenario, end users can choose our new version GT-IAD VoIP gateway which saving cost and convennience of management for end user.

Welcome to ask for free demo unit trial.

Thanks and best regard,

Globle Telecommunication Technology