Iridium GMDSS 

Iridium GMDSS (Global Maritime Distress and Safety System)

Iridium GMDSS (Global Maritime Distress and Safety System) provides protocols, equipment, and communications systems and services that are designed to ensure compliance under the International Convention of the Safety of Life at Sea (SOLAS), that all ships 300 gross tonnage or more, engaged on international voyages  carry specified radiocommunications equipment, both satellite and terrestrial, for sending and receiving distress and safety communications at sea. To ensure that a ship in distress; that aid can be dispatched from anywhere in the world.

Iridium GMDSS Services:

  •  Distress Alert - When activated by the press of a button, a distress alert sends basic, but critical data to a Rescue Coordination Center (RCC).
  • Safety Voice - Allows mariners in distress to connect to an RCC through a phone call and share additional and critical details about the distress situation and update accordingly.
  • Maritime Safety Information (MSI)
    MSI is important safety information received by the Iridium GMDSS terminal. Includes navigational, meteorological, and other safety-related messages. The MSI will be transmitted through an Enhanced Group Call (EGC) service called Iridium SafetyCastSM.

The Iridium GMDSS Satellite Network that is designed to perform in extreme conditions at sea. Providing reliable truly global coverage across the entire globe. Iridium Connected® GMDSS terminals standard with all three satellite GMDSS services:

  1.  Distress Alert
  2. Safety Voice
  3. Maritime Safety Information (MSI)

A simple press of a button with quickly initiate Distress Alert and Safety Voice. True Global Coverage to Maritime Safety Iridium GMDSS.

Iridium GMDSS Fact Sheet - LinkedIn




What We Do

We Provide Global, Regional, Broadband and lease channel satellite services. From Regional voice, data and fax capabilities to Inmarsat and High Speed Data and VSAT capabilities. We also provide SCADA, RFID, Monitoring, Control and Security systems and services.

A full range communication provider, with multi-network mobile satellite equipment and services. Our diverse portfolio of communications services are available to maritime, land and aeronautical customers on a global basis. Our range of services, close associations with premium satellite service providers throughout the world offers the widest range of service and equipment options to our customers worldwide.

H.M.S. Telecom, LLC is proud to provide equipment, sales and service that is prompt, professional and cost effective. Through Our extensive network of premium partners, offering the widest array of custom solutions to your needs on a global basis. Your business anywhere, anytime.


Satellite Communications, Telecommunications, Control(s), Busi, VSAT, SCADA, Mobile Satellite, RFID, Automation, Marine Satellite, VoIP, Routers, Business Continuity, Hosted PBX, Voice, Data Services, Video, Inventory Control, Distance Learning, and Remote Monitoring

Our Customers

Our customers range from leisure yachts cruising the waters of the Mediterranean to oil super tankers sailing the seven seas; farmers tilling their soil in Argentina, Canada, Michigan or China to scientist in the Antarctic, or explorers on the Amazon, a State Governor and the tool pusher on a oil rig in the Gulf of Mexico, South America, Africa, Middle-East, Asia, and beyond.


What's Next

Contact Us To Learn More About The Possibilities, We Can Bring To Your Company. Unique Solutions To Your Unique Requirements.