The legislature said it would help seek a solution to "guarantee respect for democracy" in Honduras.
The parliament also urged "all political and social actors to retake the path of pacific and democratic dialogue."
The parliament expressed "its strongest condemnation" to Honduran millitary's overthrowing of "a constitutional government."
In related news, Zelaya's wife Xiomara Castro de Zelaya joined his supporters at a demonstration in Tegucigalpa, Honduras, on Aug. 17, 2009.