JOINT FILING AGREEMENT

EXHIBIT 1

JOINT FILING AGREEMENT

     In accordance with Rule 13d-1(k)(1) under the U.S. Securities Exchange Act of 1934, as amended, the undersigned hereby agree to the joint filing of the attached statement on Schedule 13D and of all amendments to such statement and that such statement and all amendments to such statement are made on behalf of all of them.

     IN WITNESS WHEREOF, the undersigned hereby execute this Agreement as of October 12, 2004.

BRASILCEL N.V.		PORTUGAL TELECOM, SGPS, S.A.
By: /s/ Francisco Xxxx Xxxxxxx Padinha		By: /s/ Xxxxxx Xxxxx e Costa
Name: Francisco Xxxx Xxxxxxx Padinha		Name: Xxxxxx Xxxxx e Costa
Title: Chief Executive Officer		Title: President Chief Executive Officer
By: /s/ Xxxxxx Xxxxxxxxx Xxxxxx		By: /s/ Xxxxxx Xxxx
Name: Xxxxxx Xxxxxxxxx Xxxxxx		Name: Xxxxxx Xxxx
Title:		Title: Chief Financial Officer
TMN — TELECOMUNICAÇÕES MÓVEIS NACIONAIS, S.A.		PT MÓVEIS, SGPS, S.A.
By: /s/ Xxxxxxx Xxxx Xxxxxx Xxxxxxx		By: /s/ Xxxxxx Xxxxxx L Xxxxxxxxxxxx Xxxx
Name: Xxxxxxx Xxxx Xxxxxx Xxxxxxx		Name: Xxxxxx Xxxxxx L Xxxxxxxxxxxx Xxxx
Title: Chief Executive Officer		Title: Chief Executive Officer
By: /s/ Xxxxx xx Xxxxx Galvão xx Xxxxxxxx		By: /s/ Xxxxxx Xxxx Xxxxxxxx Xxxxxx
Name: Xxxxx xx Xxxxx Galvão xx Xxxxxxxx		Name: Xxxxxx Xxxx Xxxxxxxx Xxxxxx
Title: Director and Executive Officer		Title: Chief Operating Officer
		PORTELCOM PARTICIPAÇÕES S.A.
		By: /s/ Xxxxxxx Xxxxxxxxxx Xxxxxxx xx Xxxxx
		Name: Xxxxxxx Xxxxxxxxxx Xxxxxxx xx Xxxxx Title: President
		By: /s/ João Xxxx Xxxxxxxx Xxxxxxx
		Name: João Xxxx Xxxxxxxx Xxxxxxx Title: Director

[Signature Page to Schedule 13D]