Syria's army says it will comply with a four-day ceasefire to start on Saturday for the Islamic vacation of Eid al-Adha.
A declaration on Syrian condition TV also said the army arranged the right to get back against insurgent strikes.
The truce was suggested by UN and Arabic Group envoy Lakhdar Brahimi, who desires it will cause to a serenity procedure.
The information came as rebels said they had innovative into several main places in Aleppo, Syria's biggest town and a key arena recently.
Mr Brahimi has journeyed across the Center Eastern over previous times two several weeks to market his strategy, and on Wed won the assistance of the UN Protection Authorities.
He also said most resistance categories would returning the truce, though some rebels have indicated concern about the possibilities of a ceasefire working.
On Friday, a declaration from the Syrian soldiers taken by state press said: "Military functions will stop across the entire Syrian area as of 06:00 (03:00GMT) on 26 Oct until 29 Oct.
"Syrian soldiers will, however, source the right to response to terrorists strikes, efforts of equipped categories to strengthen or resupply, or efforts to integrate from nearby nations."
Qassem Saadeddine, a spokesperson for the combined control of the Free Syrian Army, the main equipped insurgent team, said his martial artists would returning the truce.
"But we will not allow the program to strengthen its content," he informed Reuters information organization.
In Aleppo on Friday, eyewitnesses and activists said govt causes had shifted away from military content in the Religious region of al-Seryan and the nearby Kurdish place of Ashrafiyeh.
Rebel martial artists had allegedly shifted in, although there were also reviews of ongoing battling.
"The center of the town is right now in the arms of the No cost Syrian Army," an capitalist going by the name of Marwan informed the BBC Globe Assistance.
He said the rebels had placed snipers on homes to try to avoid govt soldiers retaking the place.
A insurgent spokesperson was estimated as saying resistance martial artists had also taken the south-western neighbourhoods of Salah al-Din and Suleiman a-Halabi.
Meanwhile in Geneva, an extended group of UN individual privileges researchers said it had desired a conference with Mr Assad.
Carla del Ponte, a former UN region attorney who led the situation against former Yugoslav head Slobodan Milosevic and lately signed up with the Syria percentage, said she saw commonalities with her previously perform.
"The likeness of both is that we are managing the same crimes: criminal offenses against humankind and war criminal offenses, for sure," she said.
"My primary process will be to proceed the questions towards identifying the high-ranking governmental and military government bodies accountable for these criminal offenses."