Exhibit 4.8



|                                                     |  |              |  |                                    
|---------------------------------------------------- |  | ------------ |  | -----------------------------------
|8% SERIES C CONVERTIBLE                              |  |              |  | 8% SERIES C CONVERTIBLE            
|REDEEMABLE PREFERRED STOCK                           |  |              |  | REDEEMABLE PREFERRED STOCK         
|                                                     |  |              |  |                                    
|NUMBER                                               |  |              |  | SHARES                             
|C                                                    |  |              |  |                                    
|                                                     |  |              |  |                                    
|                                                     |  | ITC^DeltaCom |  |                                    
|                                                     |  |              |  |                                    
|INCORPORATED UNDER THE LAWS OF THE STATE OF DELAWARE |  |              |  | SEE REVERSE FOR CERTAIN DEFINITIONS
|                                                     |  |              |  |                                    
|                                                     |  |              |  | CUSIP 45031T 88 0                  
|                                                     |  |              |  |                                    
|This certifies that                                  |  |              |  |                                    
|                                                     |  |              |  |                                    
|                                                     |  |              |  |                                    
|                                                     |  |              |  |                                    
|is the owner of                                      |  |              |  |                                    
|                                                     |  |              |  |                                    

FULLY PAID AND NON-ASSESSABLE SHARES OF THE 8% SERIES C CONVERTIBLE REDEEMABLE PREFERRED STOCK, PAR
VALUE OF $.01 PER SHARE, OF

ITC^DeltaCom

(hereinafter, the Corporation) transferable on the books of the Corporation by the holder hereof in person or by duly authorized attorney upon surrender of this certificate properly endorsed.

This certificate and the shares represented hereby are issued and shall be held subject to all of the provisions of the Certificate of Incorporation and Bylaws of the
Corporation and all amendments thereto, copies of which are on file with the Transfer Agent, to all of which the holder of this certificate by acceptance hereof assents. This certificate is not valid unless countersigned and registered by the
Transfer Agent and Registrar.

WITNESS the facsimile seal of the Corporation and the facsimile signatures of the duly authorized officers
of the Corporation.



|                              |  |                              |  |                             
|----------------------------- |  | ---------------------------- |  | ----------------------------
|Dated:                        |  |                              |  |                             
|                              |  | SEAL                         |  |                             
|/s/ J. Thomas Mullis          |  |                              |  | /s/ Sara L. Plunkett        
|SECRETARY                     |  |                              |  | VICE PRESIDENT              
|                              |  |                              |  |                             
|Countersigned and Registered: |  |                              |  |                             
|                              |  | MELLON INVESTOR SERVICES LLC |  |                             
|                              |  |                              |  | Transfer Agent and Registrar
|By                            |  |                              |  |                             
|                              |  |                              |  |                             
|                              |  |                              |  |                             
|                              |  |                              |  | Authorized Signature        
|                              |  |                              |  |                             
|                              |  |                              |  |                             
|                              |  |                              |  |                             















---

ITC/\DeltaCom, Inc.

THE SECURITIES EVIDENCED BY THIS CERTIFICATE SHALL BE REDEEMABLE AS PROVIDED IN THE CERTIFICATE OF DESIGNATION AND THE CORPORATIONS CERTIFICATE OF INCORPORATION AND SHALL BE CONVERTIBLE INTO THE CORPORATIONS COMMON STOCK IN THE
MANNER AND ACCORDING TO THE TERMS SET FORTH IN THE CERTIFICATE OF DESIGNATION.

THE CORPORATION IS AUTHORIZED TO ISSUE MORE THAN ONE CLASS OR SERIES OF
CAPITAL STOCK. THE CORPORATION SHALL FURNISH TO ANY HOLDER UPON REQUEST AND WITHOUT CHARGE THE POWERS. DESIGNATIONS, PREFERENCES AND RELATIVE, PARTICIPATING, OPTIONAL OR OTHER SPECIAL RIGHTS OF EACH CLASS OF STOCK OR SERIES THEREOF AND THE
QUALIFICATIONS, LIMITATIONS OR RESTRICTIONS OF SUCH PREFERENCES AND/OR RIGHTS OF EACH CLASS OR SERIES AUTHORIZED TO BE ISSUED BY THE CORPORATION SO FAR AS THEY HAVE BEEN FIXED AND DETERMINED AND OF THE AUTHORITY OF THE BOARD OF DIRECTORS TO FIX AND
DETERMINE THE DESIGNATIONS, VOTING RIGHTS, PREFERENCES, LIMITATIONS AND SPECIAL RIGHTS OF THE CLASSES AND SERIES OF SECURITIES OF THE CORPORATION.

The following abbreviations, when used in the inscription on the face of this certificate, shall be construed as though they were written out in full according to applicable laws or regulations:



|        |  |                                                                            |  |                                                                  
|------- |  | -------------------------------------------------------------------------- |  | -----------------------------------------------------------------
|TEN COM |  |  as tenants in common UNIF GIFT MIN ACT                                   |  | _____ Custodian ____                                            
|TEN ENT |  |  as tenants by the entireties                                             |  | (Cust)             (Minor)                                       
|JT TEN  |  |  as joint tenants with right of survivorship and not as tenants in common |  | under Uniform Gifts to MotorsAct__________________________(State)

Additional abbreviations may also be used though not in the above list.

FOR VALUED RECEIVED, _______________________________ hereby sells, assigns and transfers unto



|                                                                      |  |  |  | 
|--------------------------------------------------------------------- |  |  |  | 
|PLEASE INSERT SOCIAL SECURITY OR OTHER IDENTIFYING NUMBER OF ASSIGNEE |  |  |  | 
|                                                                      |  | 
|                                                                      |  |  |  | 
|                                                                      |  | 
|                                                                      |  |  |  | 
|                                                                      |  | 
|                                                                      |  |  |  | 

(PLEASE PRINT OR TYPEWRITE NAME AND ADDRESS, INCLUDING ZIP CODE, OF ASSIGNEE)





---





---





---

Shares of the capital stock represented by this Certificate, and does hereby irrevocably constitute and appoint





---

Attorney to transfer the said stock on the books
of the Corporation with full power of substitution in the premises



|      |  |  |  | 
|----- |  |  |  | 
|Dated |  |  |  | 
|      |  |  |  | 





---

| |  |                                                                                                                                                                                                        |  | 
| |  | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |  | 
| |  | X                                                                                                                                                                                                     
| | 
| |  | X                                                                                                                                                                                                     
| |  | NOTICE: THE SIGNATURE(S) TO THIS ASSIGNMENT MUST CORRESPOND WITH THE NAME(S) AS WRITTEN UPON THEFACE OF THE CERTIFICATE IN EVERY
PARTICULAR. WITHOUT ALTERATION OR ENLARGEMENT OR ANY CHANGE WHATEVER.

SIGNATURE(S) GUARANTEED:

By

---

THE SIGNATURE(S) MUST BE GUARANTEED BY AN ELIGIBLE GUARANTOR INSTITUTION (BANKS, STOCKBROKERS, SAVINGS AND LOAN ASSOCIATIONS AND CREDIT UNIONS WITH MEMBERSHIP IN AN APPROVED SIGNATURE GUARANTEE MEDALLION PROGRAM),
PURSUANT TO SEC RULE 17Ad-15.