====== DHCP Server Configuration for Phones ======

**ISC DHCP Server**: http://apetec.com/linux/CentOS-DHCP-Setup.htm

**Polycom and Others**: https://www.escaux.com/docs/CustomerDhcpServerConfiguration.html

**VLAN Discovery Via DHCP**: http://wiki.unify.com/wiki/VLAN_ID_Discovery_over_DHCP

**VoIP Provisioning Over DHCP**: https://netvoip.wordpress.com/2013/08/01/voip-provision-via-dhcp/

^Option ^Name                 ^Setting         ^                    ^
|002    |Time Offset (GMT-7)  |''0xffff9d90''  |for Arizona         |
|042    |NTP Servers          |''<pbxipaddr>'' |if PBX supports it  |
|066    |Boot Server Hostname |''<pbxipaddr>'' |if PBX supports it  |
|150    |Option150            |                |used by Cisco       |
|160    |Option160            |<file>tftp://<pbxipaddr></file> |used by Polycom and others |

===== Windows =====

{{ :voice:pbx:dhcp_options_windows.png?650 |Windows DHCP Options for Phones}}