[Algerie Presse Service] Algiers -- The president of the Republic, Abdelmadjid Tebboune, has had a phone conversation with his brother, president of the Islamic Republic of Mauritania, Mohamed Ould Cheikh El Ghazouani, during which he reiterated his congratulations for his country's membership of the Gas Exporting Countries Forum (GECF), the presidency of the Republic said Tuesday in a statement.