Version 6.8 5 Mediant 2600 E-SBC
User's Manual Contents
12.4.1 Assigning NTP Services to Application Types ......................................................115
12.4.2 Multiple Interface Table Configuration Summary and Guidelines .........................115
12.4.3 Networking Configuration Examples .....................................................................116
12.4.3.1 One VoIP Interface for All Applications ................................................. 116
12.4.3.2 VoIP Interface per Application Type ...................................................... 117
12.4.3.3 VoIP Interfaces for Combined Application Types ................................. 117
12.4.3.4 VoIP Interfaces with Multiple Default Gateways ................................... 119
12.5 Configuring Static IP Routes ................................................................................ 119
12.5.1 Configuration Example of Static IP Routes ...........................................................121
12.5.2 Troubleshooting the Routing Table .......................................................................122
12.6 Configuring Quality of Service .............................................................................. 123
12.7 Configuring ICMP Messages ............................................................................... 125
12.8 DNS ...................................................................................................................... 126
12.8.1 Configuring the Internal DNS Table .......................................................................126
12.8.2 Configuring the Internal SRV Table .......................................................................127
12.9 Network Address Translation Support ................................................................. 129
12.9.1 Device Located behind NAT ..................................................................................129
12.9.1.1 Configuring a Static NAT IP Address for All Interfaces ......................... 130
12.9.1.2 Configuring NAT Translation per IP Interface ....................................... 130
12.9.2 Remote UA behind NAT ........................................................................................132
12.9.2.1 SIP Signaling Messages ....................................................................... 132
12.9.2.2 Media (RTP/RTCP/T.38) ....................................................................... 132
12.10 Robust Receipt of Media Streams by Media Latching ......................................... 135
12.11 Multiple Routers Support ...................................................................................... 137
13 Security ............................................................................................................ 139
13.1 Configuring Firewall Settings ............................................................................... 139
13.2 Configuring General Security Settings ................................................................. 143
13.3 Intrusion Detection System .................................................................................. 144
13.3.1 Enabling IDS ..........................................................................................................145
13.3.2 Configuring IDS Policies ........................................................................................145
13.3.3 Assigning IDS Policies ...........................................................................................149
13.3.4 Viewing IDS Alarms ...............................................................................................150
14 Media ................................................................................................................ 153
14.1 Configuring Voice Settings ................................................................................... 153
14.1.1 Configuring Voice Gain (Volume) Control .............................................................153
14.1.2 Echo Cancellation ..................................................................................................153
14.2 Fax and Modem Capabilities ................................................................................ 156
14.2.1 Fax/Modem Operating Modes ...............................................................................157
14.2.2 Fax/Modem Transport Modes ...............................................................................157
14.2.2.1 T.38 Fax Relay Mode ............................................................................ 157
14.2.2.2 G.711 Fax / Modem Transport Mode .................................................... 160
14.2.2.3 Fax Fallback .......................................................................................... 160
14.2.2.4 Fax/Modem Bypass Mode .................................................................... 161
14.2.2.5 Fax / Modem NSE Mode ....................................................................... 162
14.2.2.6 Fax / Modem Transparent with Events Mode ....................................... 163
14.2.2.7 Fax / Modem Transparent Mode ........................................................... 164
14.2.2.8 RFC 2833 ANS Report upon Fax/Modem Detection ............................ 164
14.2.3 V.34 Fax Support ...................................................................................................165
14.2.3.1 Bypass Mechanism for V.34 Fax Transmission .................................... 165
14.2.3.2 Relay Mode for T.30 and V.34 Faxes ................................................... 165
14.2.4 V.152 Support ........................................................................................................166
14.3 Configuring RTP/RTCP Settings .......................................................................... 168