14.2.2.7 Fax / Modem Transparent Mode............................................................167
14.2.2.8 RFC 2833 ANS Report upon Fax/Modem Detection .............................168
14.2.3 V.34 Fax Support...................................................................................................168
14.2.3.1 Bypass Mechanism for V.34 Fax Transmission.....................................169
14.2.3.2 Relay Mode for T.30 and V.34 Faxes ....................................................169
14.2.3.3 V.34 Fax Relay for SG3 Fax Machines..................................................170
14.2.4 V.150.1 Modem Relay...........................................................................................171
14.2.5 Simultaneous Negotiation of Fax (T.38) and Modem (V.150.1) Relay..................172
14.2.6 V.152 Support........................................................................................................173
14.2.7 Fax Transmission behind NAT ..............................................................................173
14.3 Configuring RTP/RTCP Settings.........................................................................174
14.3.1 Configuring the Dynamic Jitter Buffer....................................................................174
14.3.2 Comfort Noise Generation.....................................................................................175
14.3.3 Dual-Tone Multi-Frequency Signaling ...................................................................176
14.3.3.1 Configuring DTMF Transport Types.......................................................176
14.3.3.2 Configuring RFC 2833 Payload .............................................................177
14.3.4 Configuring RTP Base UDP Port...........................................................................178
14.4 Configuring IP Media Settings............................................................................179
14.4.1 Automatic Gain Control (AGC) ..............................................................................179
14.5 Configuring Various Codec Attributes.................................................................180
14.6 Configuring Analog Settings...............................................................................180
14.7 Configuring Media (SRTP) Security....................................................................181
15 Services ...........................................................................................................183
15.1 DHCP Server Functionality.................................................................................183
15.1.1 Configuring the DHCP Server ...............................................................................183
15.1.2 Configuring the Vendor Class Identifier.................................................................187
15.1.3 Configuring Additional DHCP Options...................................................................188
15.1.4 Configuring Static IP Addresses for DHCP Clients ...............................................190
15.1.5 Viewing and Deleting DHCP Clients......................................................................191
15.2 SIP-based Media Recording...............................................................................193
15.2.1 Enabling SIP-based Media Recording...................................................................196
15.2.2 Configuring SIP Recording Routing Rules ............................................................196
15.2.3 Configuring SIP User Part for SRS........................................................................198
15.2.4 Interworking SIP-based Media Recording with Third-Party Vendors....................198
15.2.4.1 Genesys .................................................................................................198
15.2.4.2 Avaya UCID............................................................................................198
15.3 RADIUS Authentication ......................................................................................199
15.3.1 Setting Up a Third-Party RADIUS Server..............................................................200
15.3.2 Configuring RADIUS Authentication......................................................................201
15.3.3 Securing RADIUS Communication........................................................................202
15.3.4 Authenticating RADIUS in the URL .......................................................................202
15.4 LDAP-based Management and SIP Services .....................................................203
15.4.1 Enabling the LDAP Service ...................................................................................204
15.4.2 Enabling LDAP-based Web/CLI User Login Authentication and Authorization.....204
15.4.3 Configuring LDAP Servers.....................................................................................205
15.4.4 Configuring LDAP DNs (Base Paths) per LDAP Server........................................208
15.4.5 Configuring the LDAP Search Filter Attribute........................................................209
15.4.6 Configuring Access Level per Management Groups Attributes.............................210
15.4.7 Configuring LDAP Search Methods.......................................................................211
15.4.8 Configuring the Device's LDAP Cache..................................................................212
15.4.9 Configuring Local Database for Management User Authentication ......................214
15.4.10 LDAP-based Login Authentication Example..........................................................216
15.4.11 Active Directory-based Routing for Microsoft Lync ...............................................220
15.4.11.1Querying the AD and Routing Priority....................................................220
15.4.11.2Configuring AD-Based Routing Rules....................................................223
