Inventor
JAHANGIR ZEESHAN
US23 patents
⚠️ This page may combine multiple inventors who share the name “JAHANGIR ZEESHAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
T MOBILE USA INC
22 patentsUS10044769B2Aug 7, 2018
Telecommunications network call control
T MOBILE USA INC14 citations92
US10148703B2Dec 4, 2018
Service capabilities in heterogeneous network
T MOBILE USA INC9 citations84
US10117090B2Oct 30, 2018
Multiple device association with a single telephone number
T MOBILE USA INC8 citations83
US9871828B2Jan 16, 2018
Enhanced IMS services restriction and selection control for mobile devices roaming in foreign networks
T MOBILE USA INC7 citations83
US11665212B2May 30, 2023
Timer-initiated fallback
T MOBILE USA INC2 citations73
US11343288B2May 24, 2022
Telecommunications network call control
T MOBILE USA INC1 citations73
US10791496B2Sep 29, 2020
Restoration of serving call session control and application server function
T MOBILE USA INC3 citations73
US12231948B2Feb 18, 2025
Intelligent allocation of network resources
T MOBILE USA INC0 citations62
US11659469B2May 23, 2023
Restoration of serving call session control and application server function
T MOBILE USA INC0 citations62
US11483732B2Oct 25, 2022
Intelligent allocation of network resources
T MOBILE USA INC0 citations62
US10965719B2Mar 30, 2021
Service capabilities in heterogeneous network
T MOBILE USA INC0 citations62
US10491641B2Nov 26, 2019
Inter-IMS service support in telecommunication systems
T MOBILE USA INC1 citations62
US10412537B2Sep 10, 2019
SIP options based location determination
T MOBILE USA INC1 citations61
US11146595B2Oct 12, 2021
Service-based IP multimedia network subsystem (IMS) architecture
T MOBILE USA INC0 citations60
US11196731B2Dec 7, 2021
Network-authentication control
T MOBILE USA INC0 citations59
US10701109B2Jun 30, 2020
Service capabilities in heterogeneous network
T MOBILE USA INC0 citations52
US10616283B2Apr 7, 2020
Telecommunications network call control
T MOBILE USA INC0 citations52
US10349262B2Jul 9, 2019
Realm translation in an IMS network
T MOBILE USA INC0 citations52
US9699221B2Jul 4, 2017
Telecommunications network emergency-call handover
T MOBILE USA INC0 citations52
US9692886B2Jun 27, 2017
Teleconferencing system using synthetic identifiers
T MOBILE USA INC1 citations52
US10244005B2Mar 26, 2019
Enhanced IMS services restriction and selection control for mobile devices roaming in foreign networks
T MOBILE USA INC0 citations51
US10880674B2Dec 29, 2020
SIP options based location determination
T MOBILE USA INC0 citations50