Fully Utilize Your ISDN Phone Features The P-202H Plus v2 has two integrated phone ports for connecting additional analog phone and fax devices allowing users to take advantage of call features, such as call waiting, three-way calling, call transfer and forwarding. Call Control Support The call budget management feature on the P-202H Plus v2 allows you to control out-going calls and maintain a blacklist of phone numbers, thus reducing phone expenses and eliminate unnecessary charges. Stateful Packet Inspection Firewall For network security, the P-202H Plus v2 comes with a Stateful Packet Inspection (SPI) firewall with DoS (Denial of Service) protection. By default, when the firewall is activated, all coming traffic from the WAN to the LAN is blocked unless it is initiated from the LAN. The firewall supports TCP/UDP inspection, DoS detection and protection, real-time alerts, reports and logs...