iPECS eMG80 & eMG800 & UCP
Administration and Programming Manual Issue 1.6
21
3.3.2 NUMBERING PLANS DATA — PGM 102 to 109
3.3.2.1 System IP Address Plan — PGM 102
The System IP Address Plan sets several IP addresses including the KSU LAN port IP address
(MPB IP Address) required for external VoIP calls, the IP address for the router, and the system‘s
internal private IP address Plan. Note that the MPB and Router addresses and sub-net mask
must be a routable IP address for access to an external VoIP network, remote access by a
gateway/board or terminal and remote Web access. The VOIB must also have a routable IP
address for access to/from an external VoIP network or remote user.
When Automatic IP Assignment, button 7, is enabled, the system will assign IP addresses to
each local terminal and the VOIB using the assigned System IP address range. These addresses
are used for communications between the system and the VOIB and terminals.
The system may be connected to a LAN that is segmented by two separate private IP address
schemes. This segmenting technique is often used to separate voice and data devices.
However, with this segmenting technique, the system would normally treat the segmented
Terminals such as iPECS Soft Phones, as remote devices, using valuable WAN bandwidth.
Assigning the “Second Sys IP address” with valid IP address from the second segment permits
the system to communicate with the devices directly over the LAN.
iPECS can be installed behind a NAPT server, if the NAPT server provides fixed address
translation and port forwarding to the system. In this case, the system will employ the “Firewall IP
address”, button 10, as the fixed public IP address for communication with remote devices. This
address must be assigned as the “MPB” address in the remote device.
PROCEDURE:
SYSTEM IP ADDRESS PLAN
PRESS FLEX KEY (01-17)
1. Press the [PGM] button and dial 102.
Select the desired button 1~19, refer to Table 3.3.2.1-1.
Use the dial-pad to enter desired IP addresses. Use an “*” to
enter a dot (“.”)
Press the [Save] button to store IP address entries.
Table 3.3.2.1-1 SYSTEM IP ADDRESS PLAN (PGM 102)
BTN DISPLAY DEFAULT REMARK
1
MPB IP ADDRESS
10 . 10 . 10 . 2
10.10.10.2 This is the IP address of the KSU LAN port A. A
Public IP Address is required for remote user and
external VoIP network access. IPv4 format.
2
MPB SUB NET MASK
255.255.255.0
255.255.0.0
3
ROUTER IP ADDRESS
10 . 10 . 10 . 1
10.10.10.1 IP Address of router for external network (WAN)
access. Required for shared voice and data LAN,
external VoIP and remote Web access.
4
SYSTEM START IP ADDRESS
10.10.10.10
10.10.10.10 Start of range for private IP addresses assigned by
the system to Modules/Terminals.
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