Company: SONM
Filing Date: 2025-05-23
Form Type: PREC14A
Source: 0001641172-25-012277
Chunk: 0

Company: SONIM TECHNOLOGIES INC
Filing Date: 2025-05-23
Form: PREC14A
Chunk 0
---
<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)

(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 |

<div align='center'>PRELIMINARY PROXY STATEMENT — SUBJECT TO COMPLETION. DATED MAY 23, 2025</div>

| Sonim                    
 Technologies, Inc.       
 4445                     
 Eastgate Mall, Suite 200 
 San                      
 Diego, CA 92121          |

Notice of 2025 Annual Meeting

and Proxy Statement

| Date      
 and Time: | Friday,                    
 July 18, 2025              
 [XX:XX a.m.], Pacific Time |
|:----------|:---------------------------|
| Location: | Participate                
 virtually at [www.XX]      |

| Sonim                    
 Technologies, Inc.       
 4445                     
 Eastgate Mall, Suite 200 
 San                      
 Diego, CA 92121          |

<div align='center'>NOTICE OF 2025 ANNUAL MEETING OF STOCKHOLDERS</div>

| Date      
 and Time: | Friday,             
 July 18, 2025       
 [XX:XX              
 a.m.], Pacific Time |
|:----------|:--------------------|
| Virtual   
 Meeting:  | Particip