Calamos
Advisors, LLC
2020 Calamos Court
Naperville, Illinois 60563
Phone: 630-245-7200
www.calamos.com
August 26, 2011
OVERNIGHT DELIVERY AND EDGAR
Larry Greene
Division of Investment Management
Securities and Exchange Commission
100 F Street, N.E.
Washington, D.C. 20549
Calamos Convertible and High Income Fund
Registration Statement on Form N-2
File Nos. 333-175076 and 811-21319
Dear
Mr. Greene:
In
accordance with Rule 461 of the General Rules and Regulations under the Securities Act of
1933, as amended, Calamos Convertible and High Income Fund (the Fund) hereby requests
acceleration of the effective date of the above-captioned Registration Statement so that it will
become effective by 10:00 a.m., Eastern Time, on September 2, 2011 or as soon thereafter as
practicable.
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Sincerely,
CALAMOS CONVERTIBLE AND HIGH INCOME FUND
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By: |
/s/ J. Christopher Jackson
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J. Christopher Jackson |
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Vice President and Secretary |
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