Ribbon Communications Inc.

General form for quarterly reports under Section 13 or 15(d)

Results of Operations and Financial Condition

Regulation FD Disclosure

Submission of Matters to a Vote of Security Holders

Specialized Disclosure Report

General form for quarterly reports under Section 13 or 15(d)

Results of Operations and Financial Condition

Annual Report Scanned (Paper)

Definitive Proxy Statement

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

Annual report pursuant to Section 13 or 15(d)

Results of Operations and Financial Condition

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

General form for quarterly reports under Section 13 or 15(d)

Results of Operations and Financial Condition

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

General form for quarterly reports under Section 13 or 15(d)

Results of Operations and Financial Condition

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

Specialized Disclosure Report

General form for quarterly reports under Section 13 or 15(d)

Results of Operations and Financial Condition

Annual Report Scanned (Paper)

Definitive Proxy Statement

Preliminary Proxy Statement

Annual report pursuant to Section 13 or 15(d)

Results of Operations and Financial Condition

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

General form for quarterly reports under Section 13 or 15(d)

Results of Operations and Financial Condition

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

5.02,9.01

General form for quarterly reports under Section 13 or 15(d)

2.02,9.01

1.01,1.02,2.03,8.01,9.01

5.07

Specialized Disclosure Report

General form for quarterly reports under Section 13 or 15(d)

Notification of late filing of Form 10-Q

2.02,9.01

Definitive Proxy Statement

5.08,8.01

Annual report pursuant to Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

Definitive Proxy Statement

Preliminary Proxy Statement

Specialized Disclosure Report

Notice of Effectiveness

Correspondence with the SEC

Registration statement under Securities Act of 1933 (amendment)

Correspondence with the SEC

Correspondence with the SEC

Annual report pursuant to Section 13 or 15(d) (amendment)

General form for quarterly reports under Section 13 or 15(d)

Letter from the SEC

Registration statement under Securities Act of 1933

Annual report pursuant to Section 13 or 15(d)

Notification of late filing of Form 10-K

General form for quarterly reports under Section 13 or 15(d)

Notice of Effectiveness

Correspondence with the SEC

Letter from the SEC

Registration statement under Securities Act of 1933

06b

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

General form for quarterly reports under Section 13 or 15(d)

Specialized Disclosure Report

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Letter from the SEC

Correspondence with the SEC

Correspondence with the SEC

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

Specialized Disclosure Report

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Definitive Proxy Statement

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

No description available

No description available

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Definitive Proxy Statement

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Definitive Proxy Statement

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Prospectus Supplement for Primary Offering

Notice of Effectiveness

Registration statement under Securities Act of 1933 (amendment)

Registration statement under Securities Act of 1933 (amendment)

Registration statement under Securities Act of 1933 (amendment)

SHANI SHAUL

GRAYSON BRUNS H

INFANTE BEATRIZ V

EWING R STEWART JR

GRAYSON BRUNS H

SHANI SHAUL

Mair Scott

SILVER LOUIS

Tamone Tanya

Macken Patrick W

Marmurek Eric S

McCaffery Stephen J.

Bucci Sam

Marmurek Eric S

McClelland Bruce William

Macken Patrick W

Bucci Sam

GRAYSON BRUNS H

Marmurek Eric S

SHANI SHAUL