Survivable Branch Appliance
AudioCodes Enhanced Media Gateway 4 Document #: LTRT-18206
4 Configuring the Enhanced Media Gateway ............................................................. 57
4.1 Defining Mediation Server's IP Address, Redun
dancy and Load Balancing ................... 57
4.2 Defining Reasons for Alt
ernative Routing ........................................................................ 61
4.3 Defining SIP TLS Transport Type
.................................................................................... 63
4.3.1 Step 1: Configure General SIP Parameters ...................................................................... 64
4.3.2 Step 2: Configure NTP and DNS Server ........................................................................... 65
4.3.3 Step 3: Configure the Gateway Name ............................................................................... 66
4.3.4 Step 4: Configure a Certificate ........................................................................................... 67
4.3.5 Step 5: Define the Cipher String for HTTPS ...................................................................... 72
4.4 Defining SIP TCP Transport Type
................................................................................... 73
4.5 Configure Secure Real-Time Transport Protocol (SRTP)
................................................ 74
4.6 Defining E1/T1/BRI Trunk Settings
.................................................................................. 75
4.6.1 Configuring the Trunk Group Table ................................................................................... 75
4.6.2 Configuring the Trunk Group setting Table ....................................................................... 76
4.6.3 Configuring IP-to-Trunk Group Routing ............................................................................. 77
4.6.4 Configuring the Trunk Settings .......................................................................................... 78
4.6.5 Defining TDM Bus Settings ................................................................................................ 80
4.6.6 Uploading CAS Files and Assigning to Trunks .................................................................. 80
4.6.7 Defining ISDN Trunk Termination Side for QSIG .............................................................. 83
4.7 Defining Voice Coders
..................................................................................................... 84
4.8 Define Silence Suppression, Comfort Noise and
AGC .................................................... 85
4.9 Defining Early Media
........................................................................................................ 87
4.10 Translating
Numbers From/To E.164 Using Manipulation Tables for PBX/PSTN
Connectivity .............................................................................................................................. 90
4.10.1 Manipulation Tables ........................................................................................................... 90
4.10.2 Dialing Plan Notation ......................................................................................................... 93
4.10.3 Numbering Plans and Type of Number ............................................................................. 94
4.10.4 Number Normalization Examples ...................................................................................... 95
5 Connecting Analog Devices to Lync 2010 .............................................................. 97
5.1 Enhanced Media Gate
way Configuration ........................................................................ 99
5.1.1 Step 1: Enable IP-to-IP Application ................................................................................... 99
5.1.2 Step 2: Configure the Number of Media Channels .......................................................... 100
5.1.3 Step 3: Configure Trunk Group Table.............................................................................. 101
5.1.4 Step 4: Configure Trunk Group Settings Table ............................................................... 102
5.1.5 Step 5: Configure Trunk Settings ..................................................................................... 103
5.1.6 Step 6: Configure Secure Real-Time Transport Protocol (SRTP) ................................... 104
5.1.7 Step 6-a: Configure the Gateway for SRTP .................................................................... 104
5.1.8 Step 6-b: Configure IP Profile for Analog Device ............................................................ 104
5.1.9 Step 7: Configure IP Group Table ................................................................................... 105
5.1.11 Step 8: Configure Proxy Set Table .................................................................................. 106
5.1.12 Step 9: Routing Setup ...................................................................................................... 107
5.1.13 Step 9-a: Configure Inbound IP Routing .......................................................................... 107
5.1.14 Step 9-b: Configure Outbound IP Routing ....................................................................... 108
5.1.15 Step 10: Configure Fax Signaling Method ....................................................................... 109
5.1.16 Step 11: Configure General Parameters ......................................................................... 109
5.2 Analog Devi
ces (ATA’s) Configuration .......................................................................... 110
5.2.1 Step 1: Configure the Endpoint Phone Number Table .................................................... 110
5.2.2 Step 2: Configure Tel to IP Routing Table ....................................................................... 111
5.2.3 Step 3: Configure Coders Table ...................................................................................... 111
5.2.4 Step 4: Configure SIP TCP Transport Type and Fax Signaling Method ......................... 112
6 Configuring Survivable Branch Appliance ............................................................ 113
6.1 Preparation .................................................................................................................... 114
6.1.1 Datacenter Workflow........................................................................................................ 114
6.1.1.1 Adding the Survivable Branch Appliance Device to Active Directory ............... 114
6.1.1.2 Defining the Branch Office Topology Through Topology Builder ..................... 115
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