https://caspiannews.com/news-detail/iran-oman-sign-agreement-onexpansion-of-maritime-transportation-2019-12-10-43/

Iranian and Omani officials have signed a cooperation agreement aimed at boosting maritime transportation between the two Persian Gulf countries. Both countries already have four direct shipping lines between their ports. However, Oman is interested in broadening its maritime networks with Iran and is looking for connections to the Caspian Sea, gaining access to the North-South Corridor trade route.