Setting up a DHCP server

Last Updated : Jun 10, 2026 |

About this task

Configure a DHCP server to allow IP phones to locate the Utility Server in the network. Avaya Aura® Device Services supports any DHCP server software as long as the software is correctly configured.

Before you begin

Contact your DHCP server software vendor to obtain server software installation and configuration instructions.

Procedure

  1. Install the DHCP server software according to the server software vendor’s instructions.
  2. On your DHCP server, configure option 242 as follows: 
    "TLSSRVR=<Utility Server IP address or FQDN>,TLSPORT=1543,TLSSRVRID=0,HTTPSRVR=<Utility Server IP address or FQDN>,HTTPPORT=80,MCIPADD=<H.323 call server address list>"

    For example:

    "TLSSRVR=1.2.3.4,TLSPORT=1543,TLSSRVRID=0,HTTPSRVR=1.2.3.4,HTTPPORT=80,MCIPADD=3.5.7.9"

    • Only H.323 endpoints use MCIPADD.

    • Firmware and custom files for SIP endpoints use HTTPS, so HTTPSRVR and HTTPPORT are not required if you are only using SIP endpoints.

  3. Configure other DHCP settings, such as the available range of IP addresses, as required.

    For information about other DHCP options you can configure, see http://downloads.avaya.com/elmodocs2/one-X_Deskphone_Edition/R1.5/output/16_300698_4/admn055.html#527056.