Which model do I have?
NT1 Plus
To identify the NT1 Plus model the top of the unit will look like the image above.
Click here to access the Telstra ISDN NT1 Plus support section in this site.
NT1 Plus II
To identify the NT1 Plus II model the top of the unit will look like the image above.
Click here to access the Telstra ISDN NT1 Plus II Support section in this site.
Telstra Customers | OPEN 501R | OPEN531R
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