144: Filer Information

Filer CIK

0001055438

Filer CCC

XXXXXXXX

Is this a LIVE or TEST Filing?

LIVE

TEST

Submission Contact Information

Name

Phone

E-Mail Address

144: Issuer Information

Name of Issuer

VISTANCE NETWORKS, INC.

SEC File Number

001-36146

Address of Issuer

2601 Telecom Parkway
Richardson
TEXAS
75082

Phone

972-952-9700

Name of Person for Whose Account the Securities are To Be Sold

THE KRAUSE TRUST

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

Director

144: Securities Information

Title of the Class of Securities To Be Sold

Name and Address of the Broker

Number of Shares or Other Units To Be Sold

Aggregate Market Value

Number of Shares or Other Units Outstanding

Approximate Date of Sale

Name the Securities Exchange

Common

Morgan Stanley Smith Barney LLC Executive Financial Services
1 New York Plaza
8th Floor
New York � NY � 10004

176136

1188020.98

230626412

08/28/2026

NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class

Date you Acquired

Nature of Acquisition Transaction

Name of Person from Whom Acquired

Is this a Gift?

Date Donor Acquired

Amount of Securities Acquired

Date of Payment

Nature of Payment *

Common

05/06/2023

Restricted Stock Vesting Under a Registered Plan

Issuer

6494

05/06/2023

Employee Stock Unit Awards

Common

09/09/2019

Restricted Stock Vesting Under a Registered Plan

Issuer

21250

09/09/2019

Employee Stock Unit Awards

Common

05/07/2022

Restricted Stock Vesting Under a Registered Plan

Issuer

9793

05/07/2022

Employee Stock Unit Awards

Common

05/06/2019

Restricted Stock Vesting Under a Registered Plan

Issuer

5712

05/06/2019

Employee Stock Unit Awards

Common

10/25/2015

Restricted Stock Vesting Under a Registered Plan

Issuer

3287

10/25/2015

Not Applicable

Common

05/08/2020

Restricted Stock Vesting Under a Registered Plan

Issuer

11242

05/08/2020

Employee Stock Unit Awards

Common

05/06/2017

Restricted Stock Vesting Under a Registered Plan

Issuer

4230

05/06/2017

Employee Stock Unit Awards

Common

03/12/2024

Open Market Purchase

Issuer

39600

03/12/2024

Check

Common

05/13/2019

Restricted Stock Vesting Under a Registered Plan

Issuer

28575

05/13/2019

Employee Stock Unit Awards

Common

05/05/2018

Restricted Stock Vesting Under a Registered Plan

Issuer

4470

05/05/2018

Employee Stock Unit Awards

Common

10/01/2016

Restricted Stock Vesting Under a Registered Plan

Issuer

2077

10/01/2016

Employee Stock Unit Awards

Common

05/08/2021

Restricted Stock Vesting Under a Registered Plan

Issuer

16100

05/08/2021

Employee Stock Unit Awards

Common

05/11/2024

Restricted Stock Vesting Under a Registered Plan

Issuer

23306

05/11/2024

Employee Stock Unit Awards

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Nothing to Report

144: Remarks and Signature

Remarks

Date of Notice

08/28/2026

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

/s/ L William Krause as trustee

144: Filer Information

Submission Contact Information

144: Issuer Information

144: Securities Information

144: Securities To Be Sold

144: Securities Sold During The Past 3 Months

144: Remarks and Signature

ATTENTION:

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)