Exhibit12.2

CERTIFICATION

I,Julio Covarrubias, certify that:

|           |                                                                                                                |
|-----------|----------------------------------------------------------------------------------------------------------------|
| 1.   | I havereviewed this annual report on Form  20-F ofCompañía de Telecomunicaciones de Chile, S.A.; |

|          |                                                                                                                                                                                                                                                                                                        |
|----------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| 2.  | Based on my knowledge, this report does not containany untrue statement of a material fact or omit to state a materialfact necessary to make the statements made, in light of thecircumstances under which such statements were made, not misleadingwith respect to the period covered by this report; |

|          |                                                                                                                                                                                                                                                                                  |
|----------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| 3.  | Based on my knowledge, the financial statements,and other financial information included in this report, fairly presentin all material respects the financial condition, results of operationsand cash flows of the company as of, and for, the periods presented inthis report; |

|           |                                                                                                                                                                                                                    |
|-----------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| 4.   | The company's othercertifying officer and I are responsible for establishing andmaintaining disclosure controls and procedures (as defined in ExchangeAct Rules 13a-15(e) and 15d-15(e)) for the company and have: |

|           |                                                                                                                                                                                                                                                                                                                                                                        |
|-----------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| a)   | Designed such disclosure controls andprocedures, or caused such disclosure controls and procedures to bedesigned under our supervision, to ensure that material informationrelating to the company, including its consolidated subsidiaries, ismade known to us by others within those entities, particularly duringthe period in which this report is being prepared; |

|          |                                                                                                                                                                                                                                                                              |
|----------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| b)  | Evaluated the effectiveness of the company'sdisclosure controls and procedures and presented in this report ourconclusions about the effectiveness of the disclosure controls andprocedures, as of the end of the period covered by this report based onsuch evaluation; and |

|          |                                                                                                                                                                                                                                                                                                 |
|----------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| c)  | Disclosed inthis report any change in the company's internal control overfinancial reporting that occurred during the period covered by theannual report that has materially affected, or is reasonably likely tomaterially affect, the company's internal control over financialreporting; and |

|          |                                                                                                                                                                                                                                                                                   |
|----------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| 5.  | The company's othercertifying officer and I have disclosed, based on our most recentevaluation of internal control over financial reporting, to thecompany's auditors and the audit committee of the company'sboard of directors (or persons performing the equivalentfunctions): |

|          |                                                                                                                                                                                                                                                                    |
|----------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| a)  | All significantdeficiencies and material weaknesses in the design or operation ofinternal control over financial reporting which are reasonably likelyto adversely affect the company's ability to record, process,summarize and report financial information; and |

|          |                                                                                                                                                                       |
|----------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| b)  | Any fraud, whether or not material,that involves management or other employees who have a significant rolein the company's internal control over financial reporting. |

Date: June 29, 2004

|  | By:   /s/ JulioCovarrubias            Name: JulioCovarrubiasTitle: Chief FinancialOfficer |
|--|----------------------------------------------------------------------------------------------------------------------------------------------------------------------|

1

----