FORM 3
 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
  Young Kenneth M
 2. Date of Event Requiring Statement (Month/Day/Year)
05/09/2019		 3. Issuer Name and Ticker or Trading Symbol
SONIM TECHNOLOGIES INC [SONM]
(Last)
(First)
(Middle)
21255 BURBANK BLVD, SUITE 400		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

WOODLAND HILLS, CA 91367		 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security
(Instr. 4)		 2. Amount of Securities Beneficially Owned
(Instr. 4)		 3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)		 4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common Stock 1,139,085
I
By B. Riley Financial, Inc. (1)
Common Stock 1,073,658
I
By BRC Partners Opportunity Fund, L.P. (1)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)		 2. Date Exercisable and Expiration Date
(Month/Day/Year)		 3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)		 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)		 6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Convertible Promissory Note (right to buy) 04/09/2018 09/01/2022 Common Stock 1,099,278 $ 8.87 I By B. Riley Principal Investments, LLC (1)

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Young Kenneth M
21255 BURBANK BLVD, SUITE 400
WOODLAND HILLS, CA 91367		   X      

Signatures

/s/ Kenny Young 05/09/2019
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) Mr. Young is the President of B. Riley Financial, Inc. ("B. Riley"). BRC Partners Management GP, LLC is the general partner of BRC Partners Opportunity Fund, LP. B. Riley Asset Management, a division of B. Riley Capital Management, LLC, is the investment manager of BRC Partners Opportunity Fund, LP. ("BRC"). B. Riley Capital Management, LLC is the sole member of BRC Partners Management GP, LLC and a wholly-owned subsidiary of B. Riley. Mr. Young is the Chief Executive Officer of B. Riley Principal Investments, LLC. ("B. Riley Principal" and together with B. Riley and BRC, the "B. Riley Entities"), a wholly-owned subsidiary of B. Riley. He has voting and dispositive power over the shares held by B. Riley Principal. Mr. Young does not have either voting or investment control over the securities held by the B. Riley and BRC. He disclaims beneficial ownership of the securities held by the B. Riley Entities.

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