otherTelephone/Business 2 in Remote Contact Lookup results
 

How can I achieve that the otherTelephone attribute ("Business 2" in GAL in Outlook) is included in the results of a Remote Lookup in the Contacts app?

I found several related articles but none that answers exactly this question.
Multiple articles refer to "Mappings for organizer data synchronization" but that does not match at all what I see on the BB. There I have Work Phone, Work Fax, Email, Work Address and two Custom Fields, filed with department and office (physicalDeliveryOfficeName).

No idea if the two custom fields are BB default or have been set by us in the past.
A solution would be if I could add otherTelephone as 3rd Custom Field.

Any ideas?

Re: otherTelephone/Business 2 in Remote Contact Lookup results
 

one step further: I can rearrange the "User defined 1..4" mappings in "Mappings for organizer data synchronization", e.g.
Other telephone number: User defined 1
Office location: User defined 2
Department: User defined 3
Now the BB lists User defined 2: office and 3: department...

Re: otherTelephone/Business 2 in Remote Contact Lookup results
 

RIMs answer was: otherTelephone is not available use e.g. Pager.
Pager is readily available in the Lookup, no fiddling with the mappings is necessary.