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SIP Trunking Configuration Guide

for

Avaya IP Office 8.0

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Table of Contents

Goal and Prerequisites………………………………………………………………………….3

Network Topology………………………………………………………………...……………..4

Avaya IP Office Configuration………………………………………………………………....5

Login to Avaya PBX……………………………………………………………………………..6

SIP Server Configuration (Registration and Non-Registration Mode)………..........6-13

Incoming Call Routing…………………………………………………………………………14

Avaya Short Code (Phone Feature keys)…………………………………………………..15

Outbound Caller ID…………………………………………………………………………….16

ARS (Dial Plan)………………………………………………………………………………….17

License Key Check………………………………………………………………………….…18

Call Forwarding and Call Park……………………………………………………………….19

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SIP Trunking using the EdgeMarc Network Services Gateway and the Avaya IP Office PBX

Goal

The purpose of this knowledgebase solution is to describe the steps needed to configure the Avaya IP Office IP PBX for proper operation in a SIP Trunking application. Please note that this solution documents the basic configuration needed in the PBX and that the requirements of your specific SIP Trunking environment may require modifications to the configuration steps provided in this document.

Prerequisites

SIP Trunking information provided by the VoIP service provider:

SIP proxy server IP address or DNS name.

Trunking Direct Inward Dial (DID) phone numbers o Calls to the Trunking DID(s) are forwarded from the service provider to the

wide area network (WAN) IP address of the EdgeMarc. There may be a single “Pilot” phone number used for all inbound calls and/or multiple DIDs depending on the service ordered.

SIP authentication credentials (optional) o Some SIP Trunking service providers require a unique username and

password to be supplied for IP PBX registrations and/or SIP signaling using P-Asserted Identity (RFC 3325). This knowledgebase solution provides the configuration steps for both PBX registration and static or non-registration modes of PBX operation.

Avaya configuration GUI - IP Office Manager version 10.0 (8).

Avaya IP Office system software version – R8.

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Network Topology

The PBX in the above network topology represents the Avaya IP Office which is connected via an Ethernet local area network to the LAN port of the EdgeMarc Network Services gateway.

Description of Basic Operation and Call Flows

Basic Call Flow: All phones connect to the Avaya IP Office PBX. The Avaya will interface with the service provider using a SIP trunk. Internal calls:

Calls between phones on the LAN

LAN phone Avaya LAN phone

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Outbound calls:

Call is initiated by a LAN phone to a WAN phone.

LAN phone Avaya <SIP trunk> EdgeMarc SIP trunk service provider WAN phone

Inbound call:

Call is initiated by a WAN phone to a LAN phone.

WAN phone SIP trunk service provider EdgeMarc <SIP trunk> Avaya LAN phone

Avaya IP Office Configuration

The steps below describe the minimum configuration required to enable the Avaya IP Office PBX to use a SIP trunk for inbound and outbound calling. Please refer to the Avaya IP Office product documentation for more information on SIP Trunking or other advanced PBX features. The configuration described here assumes that the Avaya IP office is already configured and operational with station side phones using assigned extensions or DIDs. This configuration is based on Avaya IP Office version R8.

1. Start the IP Office Manager software application from a PC that is connected to the IP Office PBX.

2. Select “File - open configuration” and choose the appropriate PBX configuration file.

3. Login to the IP Office PBX. The default login is “Administrator” and the default password is “Administrator”. The initial screen defaults to the User Configuration screen.

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4. Select “Line”.

For PBX registration mode:

a. Select “SIP Line”. b. Enter the “ITSP Domain Name”. This should be provided by the SIP Trunking

provider. c. Select “Transport” d. Enter the “ITSP IP Address”. This should be provided by the SIP Trunking

provider. It should match the IP address of the locally attached EdgeMarc LAN interface.

e. Select the “In Service” checkbox. f. Select the “Registration Required” checkbox. This will configure the PBX

to register with the locally connected EdgeMarc.

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For PBX SIP credentials:

a. Select “SIP Credentials”. b. Enter the “Username”. This value should match the Username

configured in the EdgeMarc. c. Enter the “Authentication Name”. This value should match the

Authentication Name in the EdgeMarc if it is configurable. d. Enter the “Password”. This value should match the Password

configured in the EdgeMarc. e. Enter “Expiry” (in minutes).

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For static IP address or non-registration mode:

a. Select “SIP Line”. b. Enter the “ITSP Domain Name”. This should be provided by the SIP Trunking

provider. c. Next click on “Transport” to enter the “ITSP IP Address”. This should be

provided by the SIP Trunking provider. It should match the IP address of the locally attached EdgeMarc LAN interface.

d. Select the “In Service” checkbox in the “SIP Line” tab. e. Make sure that the “Registration Required” checkbox is *not* selected.

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5. Select “Line”. a. Select “SIP Line”. b. Select the “VoIP” tab. c. Under “DTMF Support”, use the pull down menu and choose “RFC2833”.

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6. By default the Analogue Trunk Outgoing Group ID’s will be set to “0”, it must be changed to something other than “0”

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7. Select “Incoming Call Route”. Use the incoming call route section of IP Office Manager to associate the phone numbers or DIDs provided by your SIP trunk provider to extensions or station side phones.

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8. Select “Avaya Short Code” to create a dial code that will be used to represent outbound calls using the SIP trunk. In this example, the Avaya IP Office is being configured so that PBX users can dial the digit “9” to place an outbound call using the SIP trunk. Your desired method for outbound calling may differ however it should have an associated Short Code that will be referenced later in the configuration.

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9. Select “User” to configure caller ID for outbound calls. a. Select the extension (one at a time). b. Select “SIP” tab. c. For static IP address mode, set the extension’s “SIP Name”, “SIP Display

Name” and “Contact” fields to the extension’s assigned DID. This will allow each extension’s assigned DID, pilot or non-pilot, to be used as caller ID.

d. For SIP registration mode, set the extension’s “SIP Name” and “Contact” fields to be the same as the User ID used for SIP registration and set the “SIP Display Name” to the extension’s assigned DID. Note that EdgeMarc will accept outbound calls only when the outbound call’s caller ID is the same as the User ID. After that, EdgeMarc will relay the call with the pilot DID as the caller ID.

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10. Select “ARS” to create the dial plan for outbound calls. a. Select “Main”. b. Set “Line Group ID” equal to “0” to instruct the Avaya IP Office to use the SIP

trunk for dial strings that match the Short Code dial patterns.

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11. Select “License”. Ensure that the licensed number of concurrent calls in the Avaya IP Office matches the number of trunks you have ordered from your SIP Trunking service provider. Each SIP Trunk Channels line represents a single concurrent call. The example below shows a license for up to a maximum of three (3) concurrent calls.

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12. For Call Forwarding Always, from the phone call *05 then dial the number to forward to.

13. For Call Park, dial *37*701# and hang up. This will place the call at extension 701. To

pick up the call dial *38*701# to pick up the call.

For advanced configurations and support please contact the Edgewater Technical Assistance

Center support@edgewaternetworks.com or call 408.351.7255.