Asgard transport rings has a similar function to the Ancient's transportation and only transports matter of planetary distances, either on the planet itself, or if orbit. When the ring is activated, a number of rings rises from the floor or ceiling, which surrounds the object and convert it into energy. matter stream then transferred to a similar set of rings to reassemble the object.
The rings were designed by Asgard, but are used by other races and Vala Mal Doran had managed to acquire an Asgard transportation. Transport ring installed at the Remorseless Angel. (SG1: "Vala Mal Doran 1", "Vala Mal Doran 2")