Below is a group product of Embedded ippbx.
Product List
ZPX04** With 4 analog ports which can be FXS or FXO, ZPX04** is a fully featured and VoIP ready IP-PBX ...
[Last Updated: 2009-06-09]
ZPX08** With 8 analog ports which can be fxs or fxo, ZPX08** is a fully featured and VoIP ready IP-PBX ...
[Last Updated: 2009-06-09]