Analog phones have been around a long time. They have been used at homes for single line phones for ages. In businesses they can be part of a new system and assigned an extension number. You then dial 9 to get an outside line or direct dial an extension. These phones can connect to any phone system we sell as long as it has the proper modules addded. There are different types of analog phones: desk phones, speaker phones, wall phones, conference phones, and cordless phones.
Example of a standard 2500 desk phone, which will work fine with the analog ports of the IP Office and with an add on module, most Nortel systems.