The external call transfer – is the call transfer to a telephone line other than the company’s telephone line. The internal call transfer – the transfer of an incoming call to another addressee registered on the same telephone line.
TDM800P is an eight Port analog PCI 3.3/5.0V Card equipped with echo cancellation and 8 Trunk Interfaces. This is a half length PCI 2.2 complaint, 8 port card meant for connection of analog POTS lines and analog phones via personal computer. It provides support for combinations of FXO and FXS modules maximum of eight lines.