5.3.5.4. Update ..........................................................................................................................39
5.3.5.5. Account Config............................................................................................................40
5.3.5.6. Reboot..........................................................................................................................41
5.3.6. Security ...........................................................................................................................42
5.3.6.1. MMI Filter......................................................................................................................42
5.3.6.2. Firewall.........................................................................................................................43
5.3.6.3. NAT Config...................................................................................................................44
5.3.6.4. VPN Config...................................................................................................................46
5.3.7. Logout .............................................................................................................................47
6. APPENDIX .........................................................................................................................................48
6.1. SPECIFICATION ...............................................................................................................................48
6.1.1. HARDWARE .................................................................................................................................48
6.1.2. VOICE FEATURES .........................................................................................................................48
6.1.3. NETWORK FEATURES ...................................................................................................................48
6.1.4. MAINTENANCE AND MANAGEMENT .................................................................................................49
6.2. PARTICULARLY SUITABLE FOR A1 SINGLE PORT GATEWAY...................................................................49
6.3. COMMON PROBLEMS ......................................................................................................................49