The Chinese mainland and Taiwan had jointly tracked down four cases of swindling via phones since the agreement on cross-Straits crime combat and judicial assistance took effect in June, according to a report released by Taiwan on Monday.

Police at the two sides arrested 76 suspects from Taiwan and more than 10 from the mainland who were involved in the four cases, said the report, issued by the cross-Straits affairs department of Taiwan authorities.

The mainland and Taiwan had also filed up to 4,199 claims concerning wanted criminals and the exchange of information, the report showed.

The joint agreement was signed in April at the third round of talks between the mainland-based Association of Relations Across the Taiwan Straits (ARATS) and Taiwan's Straits Exchange Foundation (SEF).

The ARATS and SEF are authorized by the mainland and Taiwan to handle cross-Straits issues.