Calling line/name identification of enterprise subscribers in mobile calls
US-2017264977-A1 · Sep 14, 2017 · US
based on the content carried by the session initiation protocol [SIP] messages
based on the content carried by the session initiation protocol [SIP] messages · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H04M15/63 |
| Official title | {based on the content carried by the session initiation protocol [SIP] messages} |
| Display label | based on the content carried by the session initiation protocol [SIP] messages |
| Total patents | 210 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 23 |
| 2016 | 30 |
| 2017 | 24 |
| 2018 | 26 |
| 2019 | 20 |
| 2020 | 24 |
| 2021 | 14 |
| 2022 | 20 |
| 2023 | 12 |
| 2024 | 11 |
| 2025 | 5 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Systems and methods for outgoing call redirection
US-9686416-B2 · Jun 20, 2017 · US
Call identifying method and apparatus
US-9674345-B2 · Jun 6, 2017 · US
Establishing a Session Initiation Protocol Session
US-2017134444-A1 · May 11, 2017 · US
Call flow system and method for use in a voip telecommunication system
US-2017041353-A1 · Feb 9, 2017 · US
Call flow system and method for use in a legacy telecommunication system
US-2017041851-A1 · Feb 9, 2017 · US
Auxiliary SIP services
US-9549005-B2 · Jan 17, 2017 · US
System and method for gathering information related to a geographical location of a callee in a public switched telephone network
US-9532175-B2 · Dec 27, 2016 · US
Method and apparatus for voice over LTE and data handling in a roaming environment
US-9515982-B2 · Dec 6, 2016 · US
Apparatus, Systems and Methods for Switching Between Radio Access Technologies
US-2016353344-A1 · Dec 1, 2016 · US
Call flow system and method for use in a VoIP telecommunication system
US-9479543-B2 · Oct 25, 2016 · US
Call flow system and method for use in a legacy telecommunication system
US-9473540-B2 · Oct 18, 2016 · US
Extending SIP P-served user header over IMS interfaces
US-9473539-B2 · Oct 18, 2016 · US
User aliases in a communication system
US-9467479-B2 · Oct 11, 2016 · US
Method of communication between IMS nodes
US-9467576-B2 · Oct 11, 2016 · US
Using secondary channel information to provide for gateway recording
US-2016277578-A1 · Sep 22, 2016 · US
Method and system for differential charging
US-9444947-B2 · Sep 13, 2016 · US
Delivering a toll-free caller id on toll-free calls
US-2016261740-A1 · Sep 8, 2016 · US
Charging for operator-assisted sessions in IMS networks
US-9424550-B2 · Aug 23, 2016 · US
Systems and methods to provide connections to users in different geographic regions
US-9401987-B2 · Jul 26, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H04M15/63?
- CPC H04M15/63 is the Cooperative Patent Classification code for “based on the content carried by the session initiation protocol [SIP] messages.”
- How many patents are filed under CPC H04M15/63 (based on the content carried by the session initiation protocol [SIP] messages)?
- Our database includes 210 publications tagged with this CPC code.
- Is patent activity under CPC H04M15/63 growing?
- Publication counts under this code: 11 in 2024 vs 5 in 2025 (latest complete years).