Calix reported Q4 2022 revenue of $244.5m (GAAP), increasing 39% compared with the same quarter a year ago. Driven by this demand, systems revenue in the fourth quarter of 2022 increased 40% compared with the same quarter a year ago. Compared with the prior quarter, services revenue was up 9%.
U.S. revenue was 91% of total revenue in the fourth quarter of 2022 and increased 46% compared with the year ago quarter and increased 3% sequentially. This annual increase is primarily due to continued sales and marketing investments in the U.S. to address the significant opportunity ahead. International revenue was 9% of total revenue in the fourth quarter and declined 6% compared with the year ago quarter primarily due to lower shipments to Europe and Africa partially offset by shipments to Canada.
Revenue from small customers was 78% of total revenue in the fourth quarter of 2022, down from 84% in the year ago period, but increased 29% in absolute dollars.
GAAP gross margin decreased 60 basis points year-over-year to 51.1%.
