The BusinessTelephoneNumber property gets or sets the business telephone number for the contact.
To set the value of the BusinessTelephoneNumber property, call the property method described here.
To get the value of the BusinessTelephoneNumber property, see the IContact::get_BusinessTelephoneNumber property method.
HRESULT put_BusinessTelephoneNumber( BSTR pwsz );
[in] Reference to the business telephone number.
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.
Pocket PC: Pocket PC 2000 and later
Smartphone: Smartphone 2002 and later
OS Versions: Windows CE 3.0 and later
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