<PAGE>
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, DC 20549
----------
SCHEDULE 13G
INFORMATION STATEMENT PURSUANT TO RULES 13d-1(b) AND (c)
AND AMENDMENTS THERETO FILED PURSUANT TO 13d-2
UNDER THE SECURITIES EXCHANGE ACT OF 1934
(AMENDMENT NO. 3)
ACTIVE VOICE CORPORATION
----------------------------
(Name of Issuer)
Common Stock
--------------------------------------
(Title of Class of Securities)
004938 10 6
-------------------------------
(CUSIP Number)
----------
<PAGE>
CUSIP NO. 004938 10. 13G PAGE 2 OF 5 PAGES
6
- ---------------------- -----------------------
- --------------------------------------------------------------------------------
1 NAME OF REPORTING PERSONS
I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES
ONLY)
Robert C. Greco
- --------------------------------------------------------------------------------
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a) / /
(b) / /
- --------------------------------------------------------------------------------
3 SEC USE ONLY
- --------------------------------------------------------------------------------
4 CITIZENSHIP OR PLACE OF ORGANIZATION
U.S.A.
- --------------------------------------------------------------------------------
5 SOLE VOTING POWER
NUMBER OF SHARES BENEFICIALLY OWNED BY
EACH REPORTING PERSON WITH 508,806
------------------------------------
6 SHARED VOTING POWER
0
------------------------------------
7 SOLE DISPOSITIVE POWER
508,806
------------------------------------
8 SHARED DISPOSITIVE POWER
0
- --------------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH
REPORTING PERSON
508,806
- --------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
EXCLUDES CERTAIN SHARES* / /
- --------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
10.9%
- --------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
IN
- --------------------------------------------------------------------------------
*SEE INSTRUCTIONS BEFORE FILLING OUT!
<PAGE>
SCHEDULE 13G
Item 1(a). Name of Issuer:
ACTIVE VOICE CORPORATION
Item 1(b). Address of Issuer's Principal Executive Offices:
2901 THIRD AVENUE, SUITE 500, SEATTLE, WA 98121
Item 2(a). Name of Person Filing:
ROBERT C. GRECO
Item 2(b). Address of Principal Business Office or, if None, Residence:
2901 THIRD AVENUE, SUITE 500
SEATTLE, WA 98121
Item 2(c). Citizenship:
U.S.A.
Item 2(d). Title of Class of Securities:
COMMON STOCK
Item 2(e). CUSIP Number:
004938 10 6
Item 3. If this statement is filed pursuant to Rules 13d-1(b), or
13d-2(b), check whether the person filing is a:
NOT APPLICABLE.
Item 4. Ownership.
If the percent of the class owned, as of December 31 of the year
covered by the statement, or as of the last day of any month described in Rule
13d-1(b)(2), if applicable, exceeds five percent, provide the following
information as of that date and identify those shares which there is a right to
acquire.
(a) Amount beneficially owned:
508,806
page 3 of 5
<PAGE>
(b) Percent of class: 10.9%
(c) Number of shares as to which such person has:
(i) Sole power to vote or to direct the vote: 508,806
(ii) Shared power to vote or to direct the vote: 0
(iii) Sole power to dispose or direct the disposition of: 508,806
(iv) Shared power to dispose or to direct the disposition of: 0
Item 5. Ownership of Five Percent or Less of a Class.
NOT APPLICABLE.
Item 6. Ownership of More than Five Percent on Behalf of Another Person.
OF THE SHARES REPORTED, 200,000 SHARES ARE HELD BY A LIMITED
PARTNERSHIP, OF WHICH MR. GRECO IS THE SOLE GENERAL PARTNER. THE
PARTNERSHIP HAS THE RIGHT TO RECEIVE DIVIDENDS FROM, OR THE PROCEEDS
FROM THE SALE OF, SUCH SECURITIES.
Item 7. Identification and Classification of the Subsidiary Which Acquired the
Security Being Reported on by the Parent Holding Company.
NOT APPLICABLE.
Item 8. Identification and Classification of Members of the Group.
NOT APPLICABLE.
Item 9. Notice of Dissolution of Group.
NOT APPLICABLE.
Item 10. Certification.
NOT APPLICABLE.
page 4 of 5
<PAGE>
SIGNATURE
After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information set forth in this statement is true, complete and
correct.
January 22, 1998
/s/ Robert C. Greco
------------------------------------------------
Robert C. Greco
page 5 of 5
