Panasonic KX-TDA30 Manual page 35

Valid IP address range: "1.0.0.0" to "223.255.255.255"
*1
Valid subnet mask address range: "0–255.0–255.0–255.0–255" (except 0.0.0.0 and 255.255.255.255)
*2
Valid IP address range: "1.0.0.0" to "223.255.255.255"
*3
4.1.1 Assigning the IP Addressing Information
7. a.
In the IP Address box, type the IP address of the
card .
*1
b.
In the Subnet Mask box, type the subnet mask address
of the network
c.
Click Apply.
8. If the IP address of the default gateway needs to be entered:
a.
Click Common Settings. A dialogue box will appear.
b.
In the Gateway Address box, type the IP address of the
default gateway
c.
Click OK.
Note
To activate any changes made in step 8, it is necessary
to set all installed IP-EXT cards to out-of-service status
(OUS), then back to in-service status (INS).
9. Move the mouse pointer over the IP-EXT card, then click
INS to set the card to in-service status.
Information about IP Proprietary Telephones
.
*2
.
*3
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