... is CPU Board with maxima 4E1, another is User Board with maxima 16 FXO\FXS); 2. ... dial.Plentiful business functions ·Modification between calling number and called number; ·As a terminal, support the ... of CDR; ·Fax support T.30, T38 and pass through; ·Support reelection function; ·Support detection of calling ... .726,GSM,ARM,ILBCFax ProtocolT30, T38 and pass throughNetwork ProtocolIP,NAT,ICMP,ARP,HTTP,BOOTP ...