corded

I have one landline connection. I want to add a cordless phone in my house, in such a way - that, if I receive call on either corded or cordless, I should be able to transfer it among each other. (Being able to conference would be great but not important) - that either can be used to...

Ok, when people get old, they prefer old type of phones :) Anyway, planning to minimize the use of mobile phones inside the house. So thinking of getting two or three corded phones (two landlines, so can keep them like parallel). No need of cordless. Caller ID will be good, should not be...