Qatar Airways on June 7 announced the cancelation of all flights into Saudi Arabia, Egypt, the UAE and Bahrain, just weeks after having been hit by a new U.S. travel ban on laptops and tablets in passenger cabins.
Qatar's defense ministry, meanwhile, said in a statement that the deal will lead to "closer strategic collaboration in our fight to counter violent extremism and promote peace and stability in our region and beyond".
Saudi Press Agency (SPA) said King Salman and Sharif discussed the "latest regional developments" in addition to bilateral relations.
Davis also refused to weigh in on whether he views Qatar as a "supporter of terrorism", saying that he is not "the right person" to make a judgement.
During a parliamentary address on Tuesday, June 13 in Ankara, Erdogan lashed out at Saudi Arabia, Bahrain, UAE and other countries' decision to isolate Qatar by cutting diplomatic and trade relations.
After the Gulf countries moved against Qatar, Secretary of State Rex Tillerson initially declined to take sides in the crisis, but his cautious stance was overshadowed nearly immediately by Trump, who sent a series of tweets that appeared to take credit for and praise the decision.
Iranian Foreign Minister Mohammad Javad Zarif, speaking in Norway, said it was "absolutely imperative" to resolve the row through dialogue and to "establish a permanent mechanism for consultation, conversation and conflict resolution in our region".
The United Arab Emirates and Qatar have always been major proponents of open-skies air transport agreements which remove restrictions on flying between states.
Despite its special ties to Saudi Arabia, Islamabad in 2015 rejected the kingdom's request that Pakistan send troops into Yemen as part of a Saudi-led military campaign against Yemen's Shiite rebels.
Earlier this month, the neighbouring countries of Qatar have abruptly ended their diplomatic relationship with the small Gulf state. "The blockade is also impairing US and other global business activities in the region and has created a hardship on the people of Qatar and the peoples whose livelihoods depend on commerce with Qatar". The measures against Qatar, which has a population of 2.7 million people but vast gas wealth, have disrupted imports of food and other materials and caused some foreign banks to scale back business.
"Qatar has showed the most decisive stance against terrorist organization Daesh alongside Turkey", he said.