AudioCodes Media Pack MP-124, User Manual

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Version 6.6 5 MP-11x & MP-124
User's Manual Contents
11.2 Configuring IP Network Interfaces ....................................................................... 105
11.2.1 Assigning NTP Services to Application Types ......................................................110
11.2.2 Multiple Interface Table Configuration Rules.........................................................111
11.2.3 Troubleshooting the Multiple Interface Table ........................................................112
11.2.4 Networking Configuration Examples .....................................................................112
11.2.4.1 One VoIP Interface for All Applications ................................................. 112
11.2.4.2 VoIP Interface per Application Type ...................................................... 113
11.2.4.3 VoIP Interfaces for Combined Application Types ................................. 114
11.2.4.4 VoIP Interfaces with Multiple Default Gateways ................................... 114
11.3 Configuring the IP Routing Table ......................................................................... 115
11.3.1 Interface Column ...................................................................................................117
11.3.2 Routing Table Configuration Summary and Guidelines ........................................117
11.3.3 Troubleshooting the Routing Table .......................................................................117
11.4 Configuring Quality of Service .............................................................................. 118
11.5 Disabling ICMP Redirect Messages ..................................................................... 120
11.6 DNS ...................................................................................................................... 120
11.6.1 Configuring the Internal DNS Table .......................................................................120
11.6.2 Configuring the Internal SRV Table .......................................................................122
11.7 Configuring NFS Settings ..................................................................................... 123
11.8 Network Address Translation Support ................................................................. 124
11.8.1 Device Located behind NAT ..................................................................................125
11.8.1.1 Configuring STUN ................................................................................. 125
11.8.1.2 Configuring a Static NAT IP Address for All Interfaces ......................... 126
11.8.2 Remote UA behind NAT ........................................................................................127
11.8.2.1 First Incoming Packet Mechanism ........................................................ 127
11.8.2.2 No-Op Packets ...................................................................................... 128
11.9 Robust Receipt of Media Streams ....................................................................... 128
11.10 Multiple Routers Support ...................................................................................... 129
11.11 IP Multicasting ...................................................................................................... 129
12 Security ............................................................................................................ 131
12.1 Configuring Firewall Settings ............................................................................... 131
12.2 Configuring 802.1x Settings ................................................................................. 135
12.3 Configuring General Security Settings ................................................................. 136
12.4 IPSec and Internet Key Exchange ....................................................................... 136
12.4.1 Enabling IPSec ......................................................................................................137
12.4.2 Configuring IP Security Proposal Table .................................................................137
12.4.3 Configuring IP Security Associations Table ...........................................................139
13 Media ................................................................................................................ 143
13.1 Configuring Voice Settings ................................................................................... 143
13.1.1 Configuring Voice Gain (Volume) Control .............................................................143
13.1.2 Silence Suppression (Compression) .....................................................................144
13.1.3 Echo Cancellation ..................................................................................................144
13.2 Fax and Modem Capabilities ................................................................................ 146
13.2.1 Fax/Modem Transport Modes ...............................................................................147
13.2.1.1 T.38 Fax Relay Mode ............................................................................ 147
13.2.1.2 G.711 Fax / Modem Transport Mode .................................................... 148
13.2.1.3 Fax Fallback .......................................................................................... 149
13.2.1.4 Fax/Modem Bypass Mode .................................................................... 149
13.2.1.5 Fax / Modem NSE Mode ....................................................................... 151
13.2.1.6 Fax / Modem Transparent with Events Mode ....................................... 152
13.2.1.7 Fax / Modem Transparent Mode ........................................................... 152