User's Manual 6 Document #: LTRT-89730
Mediant 3000
14 Security ............................................................................................................ 173
14.1 Configuring Firewall Settings .............................................................................. 173
14.2 Configuring General Security Settings ................................................................ 177
14.3 Intrusion Detection System ................................................................................. 178
14.3.1 Enabling IDS ..........................................................................................................179
14.3.2 Configuring IDS Policies ........................................................................................179
14.3.3 Assigning IDS Policies ...........................................................................................183
14.3.4 Viewing IDS Alarms ...............................................................................................184
14.4 IPSec and Internet Key Exchange ...................................................................... 186
14.4.1 Enabling IPSec ......................................................................................................187
14.4.2 Configuring IP Security Proposal Table .................................................................187
14.4.3 Configuring IP Security Associations Table...........................................................188
15 Media ................................................................................................................ 193
15.1 Configuring Voice Settings ................................................................................. 193
15.1.1 Configuring Voice Gain (Volume) Control .............................................................193
15.1.2 Silence Suppression (Compression) .....................................................................194
15.1.3 Configuring Echo Cancellation ..............................................................................194
15.2 Fax and Modem Capabilities .............................................................................. 196
15.2.1 Fax/Modem Operating Modes ...............................................................................197
15.2.2 Fax/Modem Transport Modes ...............................................................................197
15.2.2.1 T.38 Fax Relay Mode .............................................................................197
15.2.2.2 G.711 Fax / Modem Transport Mode .....................................................200
15.2.2.3 Fax Fallback ...........................................................................................200
15.2.2.4 Fax/Modem Bypass Mode......................................................................201
15.2.2.5 Fax / Modem NSE Mode ........................................................................202
15.2.2.6 Fax / Modem Transparent with Events Mode ........................................203
15.2.2.7 Fax / Modem Transparent Mode ............................................................203
15.2.2.8 RFC 2833 ANS Report upon Fax/Modem Detection .............................204
15.2.3 V.34 Fax Support ...................................................................................................204
15.2.3.1 Bypass Mechanism for V.34 Fax Transmission .....................................205
15.2.3.2 Relay Mode for T.30 and V.34 Faxes ....................................................206
15.2.3.3 V.34 Fax Relay for SG3 Fax Machines ..................................................206
15.2.4 V.150.1 Modem Relay ...........................................................................................208
15.2.5 Simultaneous Negotiation of Fax (T.38) and Modem (V.150.1) Relay ..................209
15.2.6 V.152 Support ........................................................................................................210
15.3 Configuring RTP/RTCP Settings ......................................................................... 211
15.3.1 Configuring the Dynamic Jitter Buffer ....................................................................211
15.3.2 Comfort Noise Generation .....................................................................................212
15.3.3 Configuring DTMF Transport Types ......................................................................213
15.3.4 Configuring RFC 2833 Payload .............................................................................214
15.3.5 Configuring RTP Base UDP Port ...........................................................................215
15.4 Event Detection and Notification using X-Detect Header .................................... 216
15.4.1 SIT Event Detection ...............................................................................................217
15.4.2 Detecting Answering Machine Beeps ....................................................................218
15.4.3 SIP Call Flow Examples of Event Detection and Notification ................................219
15.5 Answering Machine Detection (AMD) ................................................................. 221
15.5.1 Configuring AMD ...................................................................................................224
15.5.2 Enabling IP-to-Tel Call Disconnection upon Detection of Answering Machine .....225
15.6 Automatic Gain Control (AGC) ........................................................................... 225
15.7 Configuring Various Codec Attributes ................................................................. 226
15.8 Configuring DSP Templates ............................................................................... 227
15.9 Configuring Media (SRTP) Security .................................................................... 228
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