User's Manual 6 Document #: LTRT-89729
Mediant 3000
13.1.1 Configuring Voice Gain (Volume) Control .............................................................165
13.1.2 Silence Suppression (Compression).....................................................................166
13.1.3 Echo Cancellation..................................................................................................166
13.2 Fax and Modem Capabilities................................................................................168
13.2.1 Fax/Modem Operating Modes...............................................................................169
13.2.2 Fax/Modem Transport Modes ...............................................................................169
13.2.2.1 T.38 Fax Relay Mode............................................................................ 169
13.2.2.2 G.711 Fax / Modem Transport Mode.................................................... 171
13.2.2.3 Fax Fallback.......................................................................................... 171
13.2.2.4 Fax/Modem Bypass Mode .................................................................... 172
13.2.2.5 Fax / Modem NSE Mode....................................................................... 173
13.2.2.6 Fax / Modem Transparent with Events Mode....................................... 174
13.2.2.7 Fax / Modem Transparent Mode........................................................... 174
13.2.2.8 RFC 2833 ANS Report upon Fax/Modem Detection............................ 175
13.2.3 V.34 Fax Support...................................................................................................175
13.2.3.1 Bypass Mechanism for V.34 Fax Transmission.................................... 176
13.2.3.2 Relay Mode for T.30 and V.34 Faxes................................................... 176
13.2.3.3 V.34 Fax Relay for SG3 Fax Machines................................................. 177
13.2.4 V.150.1 Modem Relay...........................................................................................179
13.2.5 Simultaneous Negotiation of Fax (T.38) and Modem (V.150.1) Relay..................180
13.2.6 V.152 Support........................................................................................................180
13.2.7 Fax Transmission behind NAT..............................................................................181
13.3 Configuring RTP/RTCP Settings..........................................................................182
13.3.1 Configuring the Dynamic Jitter Buffer....................................................................182
13.3.2 Comfort Noise Generation.....................................................................................183
13.3.3 Dual-Tone Multi-Frequency Signaling...................................................................184
13.3.3.1 Configuring DTMF Transport Types...................................................... 184
13.3.3.2 Configuring RFC 2833 Payload ............................................................ 185
13.3.4 Configuring RTP Base UDP Port...........................................................................186
13.4 Configuring IP Media Settings..............................................................................187
13.4.1 Answer Machine Detector (AMD)..........................................................................187
13.4.2 Automatic Gain Control (AGC)..............................................................................191
13.5 Configuring Various Codec Attributes..................................................................192
13.6 Configuring DSP Templates.................................................................................193
13.7 Configuring Media Realms...................................................................................194
13.7.1 Configuring Quality of Experience per Media Realm ............................................197
13.7.2 Configuring Bandwidth Management per Media Realm........................................200
13.8 Configuring Server for Media Quality of Experience............................................202
13.9 Configuring Media Security..................................................................................203
14 Services ...........................................................................................................205
14.1 Routing Based on LDAP Active Directory Queries ..............................................205
14.1.1 Configuring the LDAP Server................................................................................205
14.1.2 Configuring the Device's LDAP Cache..................................................................206
14.1.3 Active Directory based Tel-to-IP Routing for Microsoft Lync.................................208
14.1.3.1 Querying the AD and Routing Priority................................................... 208
14.1.3.2 Configuring AD-Based Routing Rules................................................... 211
14.1.3.3 Querying the AD for Calling Name........................................................ 214
14.2 Least Cost Routing...............................................................................................215
14.2.1 Overview................................................................................................................215
14.2.2 Configuring LCR....................................................................................................217
14.2.2.1 Enabling the LCR Feature..................................................................... 217
14.2.2.2 Configuring Cost Groups....................................................................... 219
14.2.2.3 Configuring Time Bands for Cost Groups............................................. 220
14.2.2.4 Assigning Cost Groups to Routing Rules.............................................. 221
