US 12,301,643 B2
Media gateway dynamic discovery in IMS
Emiliano Merino Vazquez, Madrid (ES); Susana Fernandez Alonso, Madrid (ES); Jesús Ángel De Gregorio Rodriguez, Madrid (ES); and Xinyu Zhang, Shanghai (CN)
Assigned to TELEFONAKTIEBOLAGET LM ERICSSON (PUBL), Stockholm (SE)
Appl. No. 18/553,796
Filed by Telefonaktiebolaget LM Ericsson (publ), Stockholm (SE)
PCT Filed Apr. 5, 2022, PCT No. PCT/IB2022/053181
§ 371(c)(1), (2) Date Oct. 3, 2023,
PCT Pub. No. WO2022/214971, PCT Pub. Date Oct. 13, 2022.
Claims priority of provisional application 63/171,287, filed on Apr. 6, 2021.
Prior Publication US 2024/0223632 A1, Jul. 4, 2024
Int. Cl. H04L 65/60 (2022.01); H04L 65/1016 (2022.01); H04L 65/1023 (2022.01)
CPC H04L 65/60 (2013.01) [H04L 65/1016 (2013.01); H04L 65/1023 (2013.01)] 28 Claims
OG exemplary drawing
 
1. A method in a network node, the method comprising:
receiving a discovery request from a first network function, NF, node to discover at least one media NF type node, the discovery request indicating:
a media NF type of the at least one media NF type node, the media NF type being one of an access media gateway, A-MGW, an Internet Protocol, IP, multi-media gateway, IM-MGW, and a media resource function, MRF;
at least one of one or more supported codecs and transcoding support information by the media NF type; and
location information for a user equipment, UE, the location information for the UE including a cell identifier associated with the UE and network provided location information, NPLI, for the UE;
in response to the discovery request, discovering the at least one media NF type node based on the at least one of the one or more supported codecs and transcoding support information by the media NF type; and
transmitting a discovery response to the discovery request, the discovery response indicating the discovered at least one media NF type node and at least one corresponding NF profile, the at least one corresponding NF profile comprising at least one of one or more media types, the one or more supported codecs, and the transcoding support information.