# Addressing methods

For an IP system phone to register successfully with the communication server, it has to have its own address and it has to know the address of its communication server. For the operation of individual phones, it is easiest to enter these coordinates manually in the phone's local configuration Addressing IP system phones manually.

To put several phones into operation, it is advisable to automate the local configuration on the phones using DHCP. There are three possibilities for this:

- You use the integrated DHCP server of the communication server already integrated with the manufacturer-specific data Using integrated DHCP server .

- You expand the DHCP server on your IP network with manufacturer-specific information, via which you transmit the communication server coordinates to the phones Using the DHCP server with options.

- You use the DHCP server in your IP network without any manufacturer-specific data. Instead of this, enter the host name intelligate for the communication server in the DNS server Using DHCP and DNS server.

Available topics:

Addressing IP system phones manually

Using integrated DHCP server

Using the DHCP server with options

Using DHCP and DNS server

- Addressing IP system phones manually

Parent topic: Product information
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