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Voice over IP (VoIP) VoIP System Telephones
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2. Configure the Aastra 800’s DHCP server to assign IP addresses. To do this, call
up the Configurator and open the Network: DHCP page. Click on the Change
button.
3. From Status, select the address assignment option. Confirm with Apply. The
DHCP page is re-displayed.
4. Add the configured VoIP system telephones to the list of IP addresses. Click on
the New button.
5. Enter the VoIP system telephone’s IP address and MAC address. Enter the IP
address reserved by the DHCP service program. Confirm with Apply.
Restart the Aastra 800 and all connected VoIP system telephones.
7.4.4 Start Procedure
It may sometimes be useful to understand a VoIP system telephone’s start pro-
cedure. Examples:
■ A complex DHCP address assignment prevents the operation of the
Aastra 800’s DHCP server within the LAN.
■ A VoIP system should be operated with a non-broadcast-capable IP con-
nection. This may be an RAS connection, a VPN connection or another type of
routed connection.
An external DHCP server can also control a VoIP system telephone’s start pro-
cedure. In this case, system software matching the type of VoIP system telephone
must be transferred via TFTP.
The file name is determined by the telephone type.
Telephone type File name
OpenPhone63IP /ram/ip_tel/opi63.cnt
OpenPhone65IP /ram/ip_tel/opi65.cnt