AudioCodes Mediant 800B User Manual page 5

User's Manual
12.4.1 Assigning NTP Services to Application Types ......................................................116
12.4.2 Multiple Interface Table Configuration Summary and Guidelines .........................116
12.4.3 Networking Configuration Examples .....................................................................117
12.4.3.1 One VoIP Interface for All Applications ................................................. 117
12.4.3.2 VoIP Interface per Application Type ...................................................... 118
12.4.3.3 VoIP Interfaces for Combined Application Types ................................. 118
12.4.3.4 VoIP Interfaces with Multiple Default Gateways ................................... 120
12.5 Configuring Static IP Routes ................................................................................ 120
12.5.1 Configuration Example of Static IP Routes ...........................................................122
12.5.2 Troubleshooting the Routing Table .......................................................................123
12.6 Configuring Quality of Service .............................................................................. 124
12.7 Configuring ICMP Messages ............................................................................... 126
12.8 DNS ...................................................................................................................... 126
12.8.1 Configuring the Internal DNS Table .......................................................................126
12.8.2 Configuring the Internal SRV Table .......................................................................128
12.9 Open Solution Network (OSN) Server ................................................................. 130
12.9.1 Configuring Native VLAN for OSN Server .............................................................130
12.9.2 Disabling Internal Switch Port for OSN ..................................................................130
12.10 Configuring NFS Settings ..................................................................................... 131
12.11 Network Address Translation Support ................................................................. 132
12.11.1 Device Located behind NAT ..................................................................................132
12.11.1.1 Configuring a Static NAT IP Address for All Interfaces ......................... 133
12.11.1.2 Configuring NAT Translation per IP Interface ....................................... 134
12.11.2 Remote UA behind NAT ........................................................................................135
12.11.2.1 SIP Signaling Messages ....................................................................... 135
12.11.2.2 Media (RTP/RTCP/T.38) ....................................................................... 136
12.12 Robust Receipt of Media Streams by Media Latching ......................................... 137
12.13 Multiple Routers Support ...................................................................................... 139
13 Security ............................................................................................................ 141
13.1 Configuring Firewall Settings ............................................................................... 141
13.2 Configuring General Security Settings ................................................................. 145
13.3 Intrusion Detection System .................................................................................. 146
13.3.1 Enabling IDS ..........................................................................................................147
13.3.2 Configuring IDS Policies ........................................................................................147
13.3.3 Assigning IDS Policies ...........................................................................................151
13.3.4 Viewing IDS Alarms ...............................................................................................152
14 Media ................................................................................................................ 155
14.1 Configuring Voice Settings ................................................................................... 155
14.1.1 Configuring Voice Gain (Volume) Control .............................................................155
14.1.2 Silence Suppression (Compression) .....................................................................155
14.1.3 Echo Cancellation ..................................................................................................156
14.2 Fax and Modem Capabilities ................................................................................ 157
14.2.1 Fax/Modem Operating Modes ...............................................................................159
14.2.2 Fax/Modem Transport Modes ...............................................................................159
14.2.2.1 T.38 Fax Relay Mode ............................................................................ 159
14.2.2.2 G.711 Fax / Modem Transport Mode .................................................... 162
14.2.2.3 Fax Fallback .......................................................................................... 162
14.2.2.4 Fax/Modem Bypass Mode .................................................................... 163
14.2.2.5 Fax / Modem NSE Mode ....................................................................... 164
14.2.2.6 Fax / Modem Transparent with Events Mode ....................................... 165
14.2.2.7 Fax / Modem Transparent Mode ........................................................... 165
Version 6.8 5 Mediant 800B Gateway and E-SBC
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