"It will improve the trust level and confidence," Masood said. "It will help Kabul find a genuine solution to the problem."
The prisoners could also play a positive role in the negotiations, said Masood.
"I am sure the released Taliban can play some part in making the peace process a success," he said.
Pakistan has also increased its cooperation with the U.S. in recent months. The two sides have set up working groups to identify Taliban leaders who could be open to reconciliation and ensure they are able to travel from Pakistan to the site of talks. But it's unclear whether the groups have made any progress.
Associated Press writers Kathy Gannon in Mingora, Pakistan, and Sebastian Abbot in Islamabad contributed to this report.
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