110
Voice over IP (VoIP)
VoIP System Telephones
■
A VoIP system telephone can also be operated without a permanent connection to the communications
system, for example via an on-demand RAS connection.
■
Signalling data for call control, call data during three-way conferences, connections to conventional
terminals and external connections is exchanged between the VoIP system telephone and the
communications system. During a call between two VoIP system telephones, call data is exchanged
directly between the two VoIP system telephones.
■
During the device’s start procedure, the IP address is configured and the device software is requested via
the DHCP and TFTP network protocols.
VoIP System Telephone Configuration
The VoIP system telephones Comfort Pro P 300 IP and Comfort Pro P 500 IP obtain the required IP address
configuration and operating software via the DHCP, BOOTP and TFTP IP protocols. After the power supply is
assured, the device’s internal boot loader is started which controls the further start procedure.
Standard operating procedure is to contact the Comfort Pro S’s DHCP server so that the start procedure can
be concluded without problems. To register a new VoIP system telephone, proceed as follows:
1.
Temporarily remove the VoIP system telephone’s ethernet connection. Switch on the VoIP system
telephone’s power supply. Note the MAC address shown in the display, for instance
“MAC: 00:30:42:00:00:00”. Switch off the power supply.
2. In the
Configurator
, open the
Telephony: Devices: VoIP Phones
page. Click on the
New
button.
3. Select the VoIP system telephone’s
Type
and enter the previously noted MAC address. Assign a
Name
and
Phone No.
Confirm with
Apply
.
4. Connect the ethernet connection with the VoIP system telephone’s RJ45 connector. Switch on the power
supply. Verify the correct start procedure on the display.
LAN DHCP Server
If the LAN already uses a DHCP server to configure workstation computers, there are various options for
correctly responding to VoIP system telephones’ DHCP, BOOTP and TFTP requests. A comparatively simple
approach is described here.
Содержание Comfort Pro S
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