"Of course, the agreement will lead to negotiations, otherwise what's the meaning of it. But it is important that the talks were serious, that all parties show seriousness, including the opposition and the government," Firas Khalidi said.
He noted that the aim of the truce should be "building bridges" for future dialogue.
The latest round of Syrian peace talks took place in Geneva on April 13-27. The Moscow-Cairo group, particularly its Moscow platform led by Qadri Jamil, proposed the idea of appointing several deputies for Syrian President Bashar Assad, and delegating his full powers to them.