In Israel you can own a kosher cell phone. This means that you have a constant monthly payment with a bank of minutes you can use callingto call other kosher phones and landline phones. The phone itself is disabled of makingTaking pictures, surfing, sending SMSs and so on are disabled on the phone. TheThe calls to non-kosher phonescellphones are much more costly. Kosher cell phones are backenededbacked by rabinicalRabinical authorities.
(There are some more details about this (couldthat could be found here),; I'm just presenting the main idea.)
From the above I conclude that common practice in Israel is that any landline phone is equalequivalent to a kosher cellular phone. From this I can notcannot derive what washappened when landlines were first introduced, but anyway I suppose they were not criticized.