The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 02, 2025
Filed:
Jun. 02, 2021
Google Llc, Mountain View, CA (US);
Chinmay Dhodapkar, Mountain View, CA (US);
Amruth Ramachandran, Fremont, CA (US);
Radhika Agrawal, San Diego, CA (US);
David J. Krause, Kenosha, WI (US);
Google LLC, Mountain View, CA (US);
Abstract
This document describes techniques and devices for exchanging status messages during a call. Techniques described herein utilize a computing device to establish a real-time person-to-person media session (e.g., a call) with another device through a wireless communication network. Through the wireless communication network, the computing device may perform a handshake procedure to determine whether the other device supports an exchange of status messages during the media session. If supported by both devices, the computing device may exchange status messages using, for instance. Real-Time Transport Protocol (RTP) header extensions and/or unused dual-tone multi-frequency (DTMF) digits (e.g., digits A, B, C, or D).