What Phone System Does My Meridian Telephone Work On?

Nortel Networks, Northern Telecom and Meridian areMeridian on it doesn't identify it, but it does lead to a
terms that many end users have said to me whenpath that will help you to do so.
describing what phone system they have. It's easy toLook at the bottom of the telephone. Ignore the serial
get confused here, but we can sort some of this out.number. There is sometimes a model number. It may
Northern Telecom became Nortel some years ago.have a model number such as M7324, M7310, M7208,
More recently, they have taken the name of NortelM7100, T7316, T7316e or T7100. If it has any of these it
Networks. This company has been and remains oneis a phone on a Norstar phone system.
of the largest phone system manufacturers in theThe Meridian PBX and SL-1 have model numbers
world. They have made everything from the Centralincluding M2008, M2006, M2616D, M3901, M3902,
Office phone switches that provide phone lines,M3903, M3904 and M3905. There may be many
Centrex, T-1's, and PRI's to Norstar and Meridian phonevariations of these.
systems for business offices to single line phones forNortel and Aastra (that's another story for antoher
residential use.day) also make Centrex phones and other single line
Finding the model number for your phone is one of theand two line phones that say Meridian on them. These
first things you need to do in order expand yourinclude M5316, M5208, M5008, M5312, M5216, M5212,
system or replace bad phones. If you order the wrongM5209, M5112, M5009, M9417CW, M9316CW, M9110,
phone model, it won't have the same features andM9116, M9120, M8004, M8009, and M8314.
may not work at all on your phone system.The model numbers may be absent. If so, look for the
One of the most confusing things is that the wordpart #. It will almost always begin with NT followed by
Meridian is used across much of their product line forseveral numbers and usually some letters. For instance,
business office phone system equipment. If you havean M7310 is also known as NT8B20. The Aastra
a Northern Telecom or Nortel phone system in yourphones may begin with an A.
office, there is a fair chance that it says MeridianRemember, Meridian labelled phones may be on a
somewhere on it. Meridian was put on CentrexNorstar system, a Meridian PBX or as part of your
phones, Norstar phones and Meridian and SL-1 PBXCentrex.
phones. If you are trying to identify what type of phoneI hope this helps some of you understand your
or phone system you have, the fact that it saysMeridian phones better.