greetings all, Quick question. I have a customer that currently has a NEC DS 1000 from what i researched. Questions: If the customer upgrades to a NEC-DSX 80 will he be able to use the same phones?

Thanking you for your expertise in advance.
Frank.....

He will need at least 1 dsx phone and a ds2000 digital phone card to support the ds series phones. With one of each card they can have a mix of 16 dsx phones and 16 ds phones.