Setup DHCP for IP phone

If you would like to setup IP Phone using dynamic IP and synchronize time with your time server, you may need to configure the DHCP Option 156 for IP phone and 042 for NTP or 004 for time server.

To use Option 156, you need to predefine the option. The following case based on USA and STP server IP is 192.168.0.1. To set predefine IP phone option, open HDCP. Right-click on the DHCP server and select Set Predefined Options. Click Add. Type IP Phone as name, select String from the Data type, and 156 as Code. Click OK to save it. On the String Value, type ftpservers=192.168.0.1, country=1, language=1.

DHCP support for multiple subnets

Only one of the logical IP subnets is able to obtain DHCP IP addresses for its DHCP client ... Using DHCP "Superscopes" to Serve Multiple Logical Subnets ...
www.howtonetworking.com/articles/dhcp1.htm

How to move DHCP database

How to move a DHCP database from one server to another in Windows NT 4.0 and in ... You receive an error message when you try to move a DHCP database by ...
www.howtonetworking.com/articles/movedhcp.htm

DHCP issues

A DHCP server must be authorize in the AD before it can assign IP addresses. Too authorize the DHCP server, on the Action menu, click Authorize. ...
www.chicagotech.net/dhcp.htm

The DHCP/BINL sevice has determined that it is not authorized to ...

Symptom: After you install SP on a Windows 2000 with RIS server or DHCP server, you may receive the following Event ID: 1051 - The DHCP/BINL service has ...
www.chicagotech.net/troubleshooting/eventid1051.htm