US 11,936,707 B2
Signaling codec mode notifications for multimedia telephony sessions
Ozgur Oyman, Palo Alto, CA (US); Thomas Luetzenkirchen, Taufkirchen (DE); Usharani Ayyalasomayajula, Bangalore (IN); Sudhir Shankar Pola, Bangalore (IN); Fabrice Plante, Hillsboro, OR (US); and Ganesh Vijayan, Bangalore (IN)
Assigned to Apple Inc., Cupertino, CA (US)
Appl. No. 17/290,659
Filed by Apple Inc., Cupertino, CA (US)
PCT Filed Oct. 31, 2019, PCT No. PCT/US2019/059230
§ 371(c)(1), (2) Date Apr. 30, 2021,
PCT Pub. No. WO2020/092818, PCT Pub. Date May 7, 2020.
Claims priority of provisional application 62/755,143, filed on Nov. 2, 2018.
Prior Publication US 2021/0409475 A1, Dec. 30, 2021
Int. Cl. H04L 65/70 (2022.01); H04L 65/1066 (2022.01); H04L 65/1104 (2022.01); H04L 65/65 (2022.01)
CPC H04L 65/70 (2022.05) [H04L 65/1066 (2013.01); H04L 65/1104 (2022.05); H04L 65/65 (2022.05)] 20 Claims
OG exemplary drawing
 
1. A user equipment (UE) comprising:
memory to store codec mode notification (CMN) information in the UE that is a speech media sender UE, wherein the CMN information is to inform a remote UE that is a speech media receiver UE of an intended change of a codec mode and a change in sent bitrate from the speech media sender to the speech media receiver UE; and
processing circuitry, coupled with the memory, to:
retrieve the CMN information from the memory;
generate a notification message that includes the CMN information including one byte notification with 4 bits to indicate that the notification message is a notification and not a request; and
encode the notification message for transmission to the remote UE.