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The BusinessTelephoneNumber property gets or sets the business telephone number for the contact.
To get the value of the BusinessTelephoneNumber property, call the property method described here.
To set the value of the BusinessTelephoneNumber property, see the IContact::put_BusinessTelephoneNumber property method.
BSTR * ppwsz
[out] Reference to the business telephone number. For information on the BSTR type, see BSTR.
This method returns the standard values E_INVALIDARG, E_OUTOFMEMORY, E_UNEXPECTED, and E_FAIL, as well as the following:
The method completed successfully.
Maximum length is 1022 characters.
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