The official says Netanyahu spoke to Kerry yesterday. The official spoke on condition of anonymity as he wasn't authorised to discuss the call.
The document, rejected Friday, had called on the UN's secretary-general to convene the Middle East conference no later than March 2016, regardless of whether Israel and its neighbors agreed on an agenda.
Israel is not a party to the Nuclear Non-Proliferation Treaty and has never declared what is widely considered to be an extensive nuclear weapons program. A conference might force Israel to acknowledge it.
