Voice over IP (VoIP)
132
•
You can also connect a standard headset via RJ45 sockets (DHSG standard) to VoIP
system telephones.
•
VoIP system telephone’s audio signals are generated by the telephone itself. DTMF
dial tones and Music on Hold are produced by the Media Gateway function.
•
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, connec-
tions 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 Aastra 6773ip (OpenPhone 73 IP) and Aastra 6775ip
(OpenPhone 75 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 OpenCom 100’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 con-
nector. Switch on the power supply. Verify the correct start procedure on the
display.
Summary of Contents for OpenCom 100 series
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