User's Manual 6 Document #: LTRT-27055
Mediant 1000B Gateway & E-SBC
13 Security ............................................................................................................ 171
13.1 Configuring Firewall Settings ............................................................................... 171
13.2 Configuring General Security Settings ................................................................. 175
13.3 Intrusion Detection System .................................................................................. 176
13.3.1 Enabling IDS ..........................................................................................................177
13.3.2 Configuring IDS Policies ........................................................................................177
13.3.3 Assigning IDS Policies ...........................................................................................181
13.3.4 Viewing IDS Alarms ...............................................................................................183
14 Media ................................................................................................................ 187
14.1 Configuring Voice Settings ................................................................................... 187
14.1.1 Configuring Voice Gain (Volume) Control .............................................................187
14.1.2 Configuring Echo Cancellation ..............................................................................187
14.2 Fax and Modem Capabilities ................................................................................ 188
14.2.1 Fax/Modem Operating Modes ...............................................................................189
14.2.2 Fax/Modem Transport Modes ...............................................................................189
14.2.2.1 T.38 Fax Relay Mode ............................................................................ 190
14.2.2.2 G.711 Fax / Modem Transport Mode .................................................... 192
14.2.2.3 Fax Fallback .......................................................................................... 193
14.2.2.4 Fax/Modem Bypass Mode .................................................................... 193
14.2.2.5 Fax / Modem NSE Mode ....................................................................... 195
14.2.2.6 Fax / Modem Transparent with Events Mode ....................................... 196
14.2.2.7 Fax / Modem Transparent Mode ........................................................... 196
14.2.2.8 RFC 2833 ANS Report upon Fax/Modem Detection ............................ 197
14.2.3 V.34 Fax Support ...................................................................................................197
14.2.3.1 Bypass Mechanism for V.34 Fax Transmission .................................... 197
14.2.3.2 Relay Mode for T.30 and V.34 Faxes ................................................... 198
14.2.4 V.152 Support ........................................................................................................198
14.3 Configuring RTP/RTCP Settings .......................................................................... 199
14.3.1 Configuring the Dynamic Jitter Buffer ....................................................................199
14.3.2 Comfort Noise Generation .....................................................................................200
14.3.3 Configuring DTMF Transport Types ......................................................................201
14.3.4 Configuring RFC 2833 Payload .............................................................................202
14.3.5 Configuring RTP Base UDP Port ...........................................................................203
14.4 Event Detection and Notification using X-Detect Header ..................................... 204
14.4.1 SIT Event Detection ...............................................................................................206
14.4.2 Detecting Answering Machine Beeps ....................................................................207
14.4.3 SIP Call Flow Examples of Event Detection and Notification ................................207
14.5 Answering Machine Detection (AMD) .................................................................. 209
14.5.1 Configuring AMD ...................................................................................................212
14.5.2 Enabling IP-to-Tel Call Disconnection upon Detection of Answering Machine .....214
14.6 Automatic Gain Control (AGC) ............................................................................. 214
14.7 Configuring Ground- or Loop-Start Signaling per Analog Port ............................. 215
14.8 Configuring DSP Templates ................................................................................. 216
14.9 DSP Channel Resources for Transcoding ........................................................... 217
14.10 Configuring Media (SRTP) Security ..................................................................... 218
15 Services ........................................................................................................... 221
15.1 DHCP Server Functionality .................................................................................. 221
15.1.1 Configuring the DHCP Server ...............................................................................221
15.1.2 Configuring the Vendor Class Identifier .................................................................226
15.1.3 Configuring Additional DHCP Options ...................................................................227
15.1.4 Configuring Static IP Addresses for DHCP Clients ...............................................229
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