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Provisioning Avaya J Series Using DHCP Option 242

This guide explains how to provision an Avaya J-Series IP phone with PortSIP PBX by using DHCP Option 242 to provide the phone with the required provisioning server information.

The procedure includes the following steps:

  1. Configure the Avaya phone for a PortSIP PBX extension.

  2. Add DHCP Option 242 to the DHCP server.

  3. Create a DHCP reservation for the phone and configure its provisioning parameters.

  4. Reset the Avaya phone to factory defaults so that it retrieves the new DHCP and provisioning configuration.

Version Requirements

Before you begin, ensure that your environment meets the following minimum version requirements:

Component

Minimum Version

PortSIP PBX

v22.6.1

Avaya J-Series phone firmware

4.1.11.0.9

Important

Upgrade PortSIP PBX and the Avaya J-Series phone firmware to the minimum versions listed above or later before following this guide.

Prerequisites

Ensure that the Avaya phone can reach both the DHCP server and the PortSIP PBX provisioning service over the network.

Step 1: Configure the Phone for an Extension

First, assign the Avaya phone to an extension in PortSIP PBX.

  1. Sign in to the PortSIP PBX Web Portal.

  2. Edit the extension that will use the Avaya phone. In this example, the extension is 1001.

  3. Navigate to the Phone Configuration tab, and click Add.

  4. Select Avaya J179 as the phone model.

  5. Enter the phone's MAC address in the MAC field.

  1. Complete the remaining phone configuration settings as required, and click Save.

  2. Copy and note the generated provisioning configuration path. You will need this path later when configuring DHCP Option 242.

Step 2: Add DHCP Option 242

Avaya phones use DHCP Option 242 to obtain provisioning server information. Before configuring the option for a phone, add Option 242 as a predefined option on the DHCP server.

Add DHCP Option 242 as a Predefined Option

  1. Open the DHCP management console.

  2. Right-click IPv4, and select Set Predefined Options.

  3. Click Add.

  1. Configure the new option with the following values:

Field
Value

Name

Option 242

Data Type

String

Code

242

Description

Avaya provisioning

  1. Click OK to create DHCP Option 242.

Step 3: Create a DHCP Reservation

Create a DHCP reservation for the Avaya phone so that its provisioning parameters can be configured specifically for that device.

Create the Reservation

  1. In the DHCP management console, right-click Reservations, and select New Reservation.

  2. Enter the reservation details for the phone. For example:

Field
Example Value

Reservation Name

Avaya J179

IP Address

192.168.2.210

MAC Address

c81fea94e095

Description

Avaya J179 provisioning

  1. Click Add to create the reservation.

Configure DHCP Option 242 for the Reservation

  1. Locate the newly created reservation under Reservations.

  2. Right-click the reservation and select Configure Options.

  1. Select Option 242 from the list of available options.

  2. In the String value field, enter the provisioning parameters in the following format:

The parameters are defined as follows:

Parameter
Example Value
Description

HTTPDIR

/provision/out/b92e699f/4007fb8a8b5e7a490541f7c89ecf332c/

The secure provisioning path generated by PortSIP PBX, you copied in the Step 1: Configure the Phone for an Extension.

HTTPPORT

8888

The HTTP web port used by the PortSIP PBX provisioning service, such as 80 or 8888.

HTTPSRVR

192.168.1.135

The IP address or fully qualified domain name (FQDN) of the PortSIP PBX server.

SIG

2

Specifies the signaling software type. 2 indicates SIP.

Important

For this provisioning workflow, configure HTTPPORT with the HTTP web port of the PortSIP PBX provisioning service. Do not enter the PBX HTTPS web port.

Example

Replace the example provisioning path, HTTP port, and PBX IP address with the actual values from your PortSIP PBX deployment.

Step 4: Reset the Avaya Phone to Factory Defaults

After completing the DHCP configuration, reset the Avaya phone to factory defaults. This allows the phone to restart, obtain its DHCP settings, retrieve the provisioning server information from DHCP Option 242, and download its configuration from PortSIP PBX.

  1. Press the Menu button on the Avaya phone.

  2. Navigate to Administration.

  3. Enter the administrator password. The default password is:

  4. Select Reset to factory defaults.

  5. Confirm the reset when prompted.

The phone automatically reboots. After restarting, it should obtain its network configuration from the DHCP server and use DHCP Option 242 to locate the PortSIP PBX provisioning service.

Expected Result

After the phone restarts successfully:

  • The phone obtains its IP configuration from the DHCP server.

  • DHCP Option 242 provides the PortSIP PBX provisioning server information.

  • The phone downloads its configuration from PortSIP PBX.

  • The assigned extension registers successfully with the PBX.

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