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This article describes the steps necessary to configure the Sonus SBC 1000/2000 for SIP Trunking using Multiple IP Interface support – available in since UX Release 1.0.2:
Use Case Scenario
A typical use case scenario for the Multiple IP Interface support is as follows: — also illustrated in the diagram below
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The cleanest solution is to configure a single SIP Signaling Group for each network. The SIP SG pointing towards the ISP network should refer to LAN-2 interface. LAN-2 should be placed in ROUTED mode with an IP address in the 10.51.100.89/24 range. The SIP SG pointing to the Enterprise network should use the Application-IP interface, which is the default.
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Sonus SBC 1000/2000 Configuration
This article assumes that a PSTN - Sonus SBC 1000/2000 - OCS 2007 R2 configuration is already in place, therefore it is unnecessary to configure Media Profiles, Media List, SIP Profiles, SIP Server Tables, Tone Table, Telephony Mapping Table in this exercise.
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LAN Port 2/Ethernet 2 IP
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| Configure the public IP address 10.51.100.89 in the Sonus SBC 1000/2000. In the WebUI, access Tasks and select Modify Ethernet IP Address. | Panel |
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| 0 | Figure |
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| 1 | Modify Ethernet IP |
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Note that LAN Port 1 134.56.225.202 is already configured on the node which you'd be using to URL into WebUI. Following screenshot depicts the verification of LAN 1 configuration: |
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| Configure the public IP address of 10.51.100.89 in theSonus SBC 1000/2000. In the WebUI, access Tasks and select Modify Ethernet IP Address. | Panel |
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| 0 | Figure |
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| 1 | Modify Ethernet IP |
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| Image Modified |
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Transformation Table
There are 4 different transformations used in this exercise:
Translation table for OCS (1xxx) extensions
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| 1 | 1xxx Transformation |
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Translation table for LAN-1 (2xxx) extensions
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| 1 | 2xxx Transformation |
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Translation table for LAN-2 (5xxx) extensions
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| 1 | 5xxx Transformation |
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Translation table for PSTN (3xxx) extensions
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| 1 | 3xxx Transformation |
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Call Routing Tables
There are 3 different Call Routing Table entries used in this exercise:
Routing Calls from OCS Endpoints
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| 1 | Routing Calls From OCS Endpoints |
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Routing Calls from Multiple IP Endpoints (LAN-1 and LAN-2 endpoints)
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| 1 | Routing Calls From Multiple IP Endpoints |
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Routing Calls from PSTN Endpoints
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| 1 | Routing Calls From PSTN Endpoints |
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Signaling Groups
Signaling Groups for OCS
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| 1 | Signaling Groups for OCS |
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Signaling Groups for LAN-1 endpoints
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| 1 | Signaling Groups for LAN-1 Endpoints |
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Signaling Groups for LAN-2 endpoints
This signaling group refers to the IP subnet used between Sonus SBC 1000/2000 and the SIP trunking provider. There are two subcases here.
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| 1 | Signaling Groups for LAN-2 Endpoints |
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Signaling Group for PSTN endpoints
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| 1 | Signaling Group for PSTN Endpoints |
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Additional Configuration step for Sonus SBC SWe Lite
Adding Static IP Routes
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The previous steps complete the necessary configuration requirements for implementing the Multiple IP feature on SBC Edge 1000/2000. However, if deploying a Sonus SBC SWE Lite, in addition to previous steps perform the following step to complete the Multiple IP feature support on Sonus SBC SWE Lite. |
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| All end-points located in a private or public network must be reachable through a next-hop gateway, as driven by the network environment. |
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| 0 | Figure |
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| 1 | Modifying Ethernet IP |
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| 3 | Modifying Ethernet IP |
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