AudioCodes Mediant 3000 Bedienungsanleitung PDF herunterladen (Seite 63)

Configuration Note 4. Configuring AudioCodes E-SBC

Connecting Microsoft Lync 2013 to a SIP Trunk 63 June 2013

4.11 Step 11: Configuring IP-to-IP Call Routing Rules

This step shows how to configure IP-to-IP call routing rules (configured in the IP-to-IP

Routing table). These rules define the route for forwarding SIP messages (e.g., INVITE)

received on one IP interface, to another.

The SIP message is routed according to a rule whose configured input characteristics (e.g.,

Source IP Group) match those of the message. If the characteristics of an incoming

message do not match the first rule in the table, they are then compared to the second

rule, and so on, until a matching rule is located. If no rule is matched, the message is

rejected.

In the example scenario, the following IP-to-IP routing rules must be added in order to

route calls between Lync Server 2013 (LAN) and SIP Trunk (WAN):



Terminate SIP OPTIONS messages on the E-SBC that are received from the LAN



Calls from LAN to WAN



Calls from WAN to LAN

The routing rules use IP Groups to denote the source and destination of the call.

As configured in Step 5 (see Section 4.5 on page 47), IP Group ID 1 was assigned to Lync

Server 2013, and IP Group ID 2 to SIP Trunk.

 To add IP-to-IP routing rules:

1. Open the IP-to-IP Routing Table page (Configuration tab > VoIP > SBC > Routing

SBC > IP to IP Routing Table).

2. Add a rule to terminate SIP OPTIONS messages received from the LAN:

a. Click Add.

b. Configure the parameters like this:

Parameter Example Setting

Index "0"

Source IP Group ID "1"

Request Type

OPTIONS

Destination Type

Dest Address

Destination Address "internal"

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AudioCodes Mediant 3000 Bedienungsanleitung Seite 63