They said they were seeking accord on all points and a definitive agreement to end the civil conflict before completing talks here.
Greece is expected to complete talks with banks shortly on a voluntary debt writedown.
The two partners said they expected to complete talks with Adweek magazine later this month to produce the project as a joint venture.
Although the Pataki administration completed talks on the compact several months ago, the document has not been signed.
He resigned on 2 April after completing talks on a controversial bailout package for Cyprus.
Defense Ministry officials were expected to complete talks with the bidders next week on safeguarding competition and sensitive radar and military communications business.
That reverses a decision to keep the accord classified until China completed talks with other countries.
Stier said there was little choice but to try to complete talks with Ratner.
Commercial banks completed talks over an added $600 million.
A British Telecom spokesman said the company hopes to complete preliminary talks with the government shortly.