The caller ID phone having the tip & ring detection circuit to detect the incoming phone number, but in this model doesn't have tip & ring detection circuit to display other phone number but after connecting the other fax it will read the information which was stored like company name & phone number of other one..
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Usually answered in minutes!
it is a fax-printer-scanner-photocopier with the ability to receive calls as well. The caller ID is on by the landline company and it is actually working on all the phones on the same landline the officejet j3680 is connected to. when i receive a phone call, the number get displayed normally on all other phones in the house except on the all-in-one j3680 i just bought...
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