CHAPTER 6. Connecting Station Equipment
6-12
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6.6 IP Telephone
The IP Telephone is a terminal that allows calls through the Ethernet LAN network.
The link between the extension subscriber terminal digital phone connected to the system
and the IP phone connected to LAN is established as described below.
The connection between the digital phone and the IP phone is established using the IP
address through the LAN connected to MCP1. When connected, the digital phone converts
the analog voice data to the PCM voice data, and sends it to the MGI3 card through the
DLI card. The PCM voice data is converted to packet data at the MGI3 card, and
transferred to the IP phone. The IP phone converts the packet voice data to the analog voice
data and sends out the analog voice data through the handset or speaker. The analog voice
data entered into the IP phone is likewise converted to packet data, transferred to the MGI3
card, converted to PCM voice data, transferred to the digital phone trough the DLI card,
and finally converted to analog voice data at the digital phone.
Therefore, to use an IP phone, prepare the IP Telephone, MGI3 card, and connect MCP1
card to the Ethernet port. Refer to the programming manual for appropriate settings before
use.
Figure 6.10 IP Telephone Connection Diagram
LAN Network
MCP1 Ethernet
OfficeServ 100
MGI3 Ethernet
IP Phone
Digital Phone
