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MAJOR CUSTOMERS

9 Months Ended

Sep. 30, 2025

MAJOR CUSTOMERS

MAJOR CUSTOMERS

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(14) MAJOR CUSTOMERS

The following customers contributed 10% or more of the Company’s revenue in the three and nine months ended September 30, 2025 and 2024:

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​	​	​	​	​	​	​	​	​	​	​
​	​	Three months ended			​	Nine months ended				​
​	​	September 30,	​	September 30,	​	September 30,	​	September 30,	​	​
​		2025		2024		2025		2024
Verizon Communications Inc.	​	18	%	15	%	18	%	13	%	​
Bharti Telecom Limited	​	10	%	*	​	*	​	*	​	​
​	​	​	​	​	​	​	​	​	​	​
* Less than 10% of total revenue	​	​	​	​	​	​	​	​	​	​

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At September 30, 2025 and December 31, 2024, no customer accounted for 10% or more of the Company’s accounts receivable balance. The Company performs ongoing credit evaluations of its customers and generally does not require collateral on accounts receivable. The Company maintains an allowance for doubtful accounts and such losses have historically been within management’s expectations.

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- Definition

The entire disclosure for any concentrations existing at the date of the financial statements that make an entity vulnerable to a reasonably possible, near-term, severe impact. This disclosure informs financial statement users about the general nature of the risk associated with the concentration, and may indicate the percentage of concentration risk as of the balance sheet date.

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