Company: SONM
Filing Date: 2025-06-24
Form Type: DFAN14A
Source: 0001213900-25-057323
Chunk: 0

Company: SONIM TECHNOLOGIES INC
Filing Date: 2025-06-24
Form: DFAN14A
Chunk 0
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<div align='center'>UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 14A

PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE
SECURITIES EXCHANGE ACT OF 1934</div>

| Filed by the Registrant                    |     | ☐ |
| Filed by a Party other than the Registrant |     | ☒ |

Check the appropriate box:

| ☐ | Preliminary Proxy Statement                                                     |
| ☐ | Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) |
| ☐ | Definitive Proxy Statement                                                      |
| ☒ | Definitive Additional Materials                                                 |
| ☐ | Soliciting Material under §240.14a-12                                           |

<div align='center'>SONIM TECHNOLOGIES, INC.
(Name of Registrant as Specified in its Charter)

AJP HOLDING COMPANY, LLC

ORBIC NORTH AMERICA, LLC

JEFFREY WANG

PARVEEN NARULA

ASHIMA NARULA

DOUGLAS B. BENEDICT

JOSEPH M. GLYNN

GREGORY MARK JOHNSON

SUREN SINGH

MICHAEL WALLACE

(Name of Person(s) Filing Proxy Statement, if other than the Registrant)</div>

Payment of Filing Fee (Check all boxes that apply):

| ☒ | No fee required.                                                                                     |
| ☐ | Fee paid previously with preliminary materials.                                                      |
| ☐ | Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11. |

On June 24, 2025, AJP Holding Company, LLC (“AJP”) and Orbic North America, LLC (“Orbic”) issued the following press release:

<div align='center'>P R E S S R E L E A S E</div>

Orbic North America, LLC Files Definitive Proxy Materials with the Securities and Exchange Commission

Urges Stockholders to Support Real Change on Sonim’s Board by Voting FOR Orbic’s Highly Qualified Nominees at the Annual Meeting on July 18, 2025

Vote for each Orbic’s Board Nominees on the Blue Proxy Card

HAUPPAUGE, NEW YORK, June 24, 2025 / PR Newswire —