User's Manual 6 Document #: LTRT-27045
Mediant 1000B Gateway & E-SBC
13.3 Intrusion Detection System .................................................................................. 167
13.3.1 Enabling IDS ..........................................................................................................168
13.3.2 Configuring IDS Policies ........................................................................................169
13.3.3 Assigning IDS Policies ...........................................................................................173
13.3.4 Viewing IDS Alarms ...............................................................................................175
14 Media ................................................................................................................ 177
14.1 Configuring Voice Settings ................................................................................... 177
14.1.1 Configuring Voice Gain (Volume) Control .............................................................177
14.1.2 Silence Suppression (Compression) .....................................................................177
14.1.3 Configuring Echo Cancellation ..............................................................................178
14.2 Fax and Modem Capabilities ................................................................................ 178
14.2.1 Fax/Modem Operating Modes ...............................................................................179
14.2.2 Fax/Modem Transport Modes ...............................................................................179
14.2.2.1 T.38 Fax Relay Mode ............................................................................ 180
14.2.2.2 G.711 Fax / Modem Transport Mode .................................................... 182
14.2.2.3 Fax Fallback .......................................................................................... 183
14.2.2.4 Fax/Modem Bypass Mode .................................................................... 184
14.2.2.5 Fax / Modem NSE Mode ....................................................................... 185
14.2.2.6 Fax / Modem Transparent with Events Mode ....................................... 186
14.2.2.7 Fax / Modem Transparent Mode ........................................................... 186
14.2.2.8 RFC 2833 ANS Report upon Fax/Modem Detection ............................ 187
14.2.3 V.34 Fax Support ...................................................................................................187
14.2.3.1 Bypass Mechanism for V.34 Fax Transmission .................................... 188
14.2.3.2 Relay Mode for T.30 and V.34 Faxes ................................................... 188
14.2.4 V.152 Support ........................................................................................................189
14.3 Configuring RTP/RTCP Settings .......................................................................... 189
14.3.1 Configuring the Dynamic Jitter Buffer ....................................................................189
14.3.2 Comfort Noise Generation .....................................................................................191
14.3.3 Configuring DTMF Transport Types ......................................................................191
14.3.4 Configuring RFC 2833 Payload .............................................................................193
14.3.5 Configuring RTP Base UDP Port ...........................................................................193
14.4 Event Detection and Notification using X-Detect Header ..................................... 194
14.4.1 SIT Event Detection ...............................................................................................196
14.4.2 Detecting Answering Machine Beeps ....................................................................197
14.4.3 SIP Call Flow Examples of Event Detection and Notification ................................198
14.5 Answering Machine Detection (AMD) .................................................................. 200
14.5.1 Configuring AMD ...................................................................................................202
14.5.2 Enabling IP-to-Tel Call Disconnection upon Detection of Answering Machine .....204
14.6 Automatic Gain Control (AGC) ............................................................................. 204
14.7 Configuring Ground- or Loop-Start Signaling per Analog Port ............................. 205
14.8 Configuring DSP Templates ................................................................................. 206
14.9 DSP Channel Resources for Transcoding ........................................................... 207
14.10 Configuring Media (SRTP) Security ..................................................................... 208
15 Services ........................................................................................................... 211
15.1 DHCP Server Functionality .................................................................................. 211
15.1.1 Configuring the DHCP Server ...............................................................................211
15.1.2 Configuring the Vendor Class Identifier .................................................................216
15.1.3 Configuring Additional DHCP Options ...................................................................217
15.1.4 Configuring Static IP Addresses for DHCP Clients ...............................................219
15.1.5 Viewing and Deleting DHCP Clients ......................................................................220
15.2 RADIUS-based Services ...................................................................................... 221
15.2.1 Enabling RADIUS Services ...................................................................................221
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