Voice over IP (VoIP)
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• Use of PC-supported system telephones (so-called “Softphones”) without extra
hardware costs
• Operation of SIP-capable telephony software (see also SIP Telephony starting on
page 120)
• TC system networking using Q.SIG-IP via VPN connections (see also PBX Net-
working starting on page 157)
• Setting up a DECT over IP network lets you use existing Ethernet cabling to set up
a DECT network. The special DECT base stations designed for this purpose, can be
handled using OpenCom 100’s Web interface (see DECT over IP® starting on
page 141).
Integrating voice and data communication within the Intranet can provide savings
possible and a range of new possibilities. However joint usage of existing network
infrastructure may also cause conflicts, with IP address configuration via DHCP for
example (for details see Start Procedure starting on page 134). You should therefore
always plan the use of VoIP in the Intranet together with your network administrator.
In order to avoid possible conflicts please also note the information under Funda-
mentals starting on page 110.
Quick Start
IP System Telephony
VoIP system telephony can be quickly and easily set up using the OpenCom 100.
1. For Q.SIG-IP or to increase performance, install an M100-IP Media Gateway card
(not applicable to OpenCom 131).
2. Call up the Configurator and go to the page Telephony: Ports: Slots. Click on the
corresponding slot. Under Configured, select MGC VoIP. Optional: enter an IP
address from the OpenCom 100 IP network which is not being used, such as
192.168.99.253 under IP Address Configured. Click on Apply.
3. Install a memory card (see Installing the Memory Card starting on page 64). Call up
the System: Components page. Select the “Firmware Addons” option. Click on
Browse and select a “*_fwaddons_*.cnt” file from the installation CD. Click on
Load to load the operation software for the VoIP system telephones to the
memory card.
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