for the arrangements providing the connection (test connection, test call, call simulation)

for the arrangements providing the connection (test connection, test call, call simulation) · Cooperative Patent Classification (CPC)

Electric circuits, power, telecommunications, and semiconductors.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeH04M3/323
Official title{for the arrangements providing the connection (test connection, test call, call simulation)}
Display labelfor the arrangements providing the connection (test connection, test call, call simulation)
Total patents75

Filing trend

Year-over-year patent counts classified under this CPC code.

Filing activity over the last five years is declining.

Patents filed per year
YearPatents
20154
20166
20175
20189
20197
20209
20218
20226
20237
20248
20255
20261

Representative patents

Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.

Frequently asked questions

Answers are generated from the same data shown on this page.

What is CPC H04M3/323?
CPC H04M3/323 is the Cooperative Patent Classification code for “for the arrangements providing the connection (test connection, test call, call simulation).”
How many patents are filed under CPC H04M3/323 (for the arrangements providing the connection (test connection, test call, call simulation))?
Our database includes 75 publications tagged with this CPC code.
Is patent activity under CPC H04M3/323 growing?
Publication counts under this code: 8 in 2024 vs 5 in 2025 (latest complete years).