DVX-8025 ///8 port FXS module for DVX-3000/8000/DVX-9000 (including one time license activation fees)
8 port FXS module for DVX-3000/8000/DVX-9000 (including one time license activation fees)
8 port FXS module for DVX-3000/8000/DVX-9000 (including one time license activation fees)