Company: SONM
Filing Date: 2025-06-26
Form Type: DFAN14A
Source: 0001213900-25-058306
Chunk: 0

Company: SONIM TECHNOLOGIES INC
Filing Date: 2025-06-26
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 26, 2025, 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

Orbic Submits Asset Purchase Proposal to Sonim Technologies, Inc.

Offer to acquire substantially all of Sonim’s assets for a cash purchase price of $25 million

Purchase price equates to a price per share of $2.418</div>

Hauppauge, New York--(Newsfile Corp. - June 26, 2025) -Orbic North America,
LLC (“Orbic”), an international leader in mobile technology innovation, sent a revised acquisition proposal letter to Sonim
Technologies, Inc. (NASDAQ: SONM)