content: <PAGE>   1
                                                       Registration No. 333-
  
        As filed with the Securities and Exchange Commission on July 9, 1998.
  
                         SECURITIES AND EXCHANGE COMMISSION
                               Washington, D.C. 20549
                      ----------------------------------------
  
                                      FORM S-8
                            REGISTRATION STATEMENT UNDER
                             THE SECURITIES ACT OF 1933
  
                               SPECTRALINK CORPORATION
               (Exact name of registrant as specified in its charter)
  
         DELAWARE                                       84-1141188
   (State or other juris-                            (I.R.S. Employer
  diction of incorporation                           Identification No.)
      or organization)
  
                                 5755 CENTRAL AVENUE
                               BOULDER, COLORADO 80301
            (Address, including zip code of Principal Executive Offices)
  
                      SPECTRALINK CORPORATION STOCK OPTION PLAN
                SPECTRALINK CORPORATION EMPLOYEE STOCK PURCHASE PLAN
                              (Full Title of the Plans)
  
                             BRUCE M. HOLLAND, PRESIDENT
                               SPECTRALINK CORPORATION
                                 5755 CENTRAL AVENUE
                               BOULDER, COLORADO 80301
                                   (303) 440-5330
                        (Name, address and telephone number,
                     including area code, of agent for service)
                      ----------------------------------------
  
                           CALCULATION OF REGISTRATION FEE
  
  <TABLE>
  <CAPTION>
  =========================================================================================================================
                                                           Proposed                Proposed
    Title of each class of                                  maximum                 maximum                Amount of
       securities to be            Amount to be       offering price per      aggregate offering          registration
          registered                registered              share(1)                 price                     fee
  -------------------------------------------------------------------------------------------------------------------------
  <S>                              <C>                     <C>                    <C>                       <C>
  Common Stock, $.01
  par value per share              1,300,000 shares        $4.34                   $ 5,642,000              $1,665
  =========================================================================================================================
  </TABLE>
  (1)  Estimated solely for the purpose of determining the registration fee
       pursuant to Rule 457(c) based upon the average of the bid and ask prices
       reported on the Nasdaq National Market on July 8, 1998.
  
  
  <PAGE>   2
  
  
  
  
           This Registration Statement is filed in accordance with the provisions
  of General Instruction E to Form S-8. Pursuant thereto, the contents of the
  Registrant's earlier Registration Statement on Form S-8 (Registration No. 333-
  4650) are hereby incorporated by reference.
  
  
  
                                       PART II
  
                 INFORMATION REQUIRED IN THE REGISTRATION STATEMENT
  
  
  
  ITEM 8.  EXHIBITS.
  
  
  <TABLE>
  <S>               <C>
            5.1     Opinion of Ireland, Stapleton, Pryor & Pascoe, P.C. regarding the legality of the Common Stock
                    being registered.
  
           23.1     Consent of Arthur Andersen LLP.
  
           23.2     Consent of Ireland, Stapleton, Pryor & Pascoe, P.C. (included in the opinion filed as Exhibit 5.1).
  
           25.1     Power of Attorney (included in Part II of this Registration
                    Statement under the caption "Signatures").
  </TABLE>
  
  
                                        II-1
  <PAGE>   3
  
  
  
  
                                     SIGNATURES
  
                    Pursuant to the requirements of the Securities Act of 1933,
  the Registrant certifies that it has reasonable grounds to believe that it meets
  all of the requirements for filing on Form S-8 and has duly caused this
  Registration Statement to be signed on its behalf by the undersigned, thereunto
  duly authorized, in the City of Boulder, State of Colorado, on July 8, 1998.
  
  
                                          SPECTRALINK CORPORATION
  
  
                                           By:   /S/   BRUCE M. HOLLAND
                                                 --------------------------
                                                       Bruce M. Holland,
                                                       President
  
  
                                  POWER OF ATTORNEY
  
                The undersigned directors and/or officers of the Registrant, by
  virtue of their signatures to this Registration Statement appearing below,
  hereby constitute and appoint Bruce M. Holland or William R. Mansfield, or
  either of them, with full power of substitution, as attorney-in-fact in their
  names, places and steads to execute any and all amendments to this Registration
  Statement in the capacities set forth opposite their names and hereby ratify all
  that said attorneys-in-fact may do by virtue hereof.
  
                PURSUANT TO THE REQUIREMENTS OF THE SECURITIES ACT OF 1933, THIS
  REGISTRATION STATEMENT HAS BEEN SIGNED BELOW BY THE FOLLOWING PERSONS IN THE
  CAPACITIES AND ON THE DATES INDICATED.
  
  
  <TABLE>
  <CAPTION>
           Signatures                                    Title                                  Date
           ----------                                    -----                                  ----
  <S>                                             <C>                                      <C>
  
  /S/  BRUCE M. HOLLAND                           Principal Executive Officer              July 8, 1998
  ---------------------                             and Director
       Bruce M. Holland
  
  
  /S/  WILLIAM R. MANSFIELD                       Principal Financial Officer              July 8, 1998
  -------------------------                         and Principal Accounting Officer
       William R. Mansfield 
  
  
  --------------------------                      Director                                 July __, 1998
       Carl D. Carman
  
  
  --------------------------                      Director                                 July __, 1998
    Anthony v. Carollo, Jr.
  
  
  /S/  BURTON J. MCMURTRY                         Director                                 July 8, 1998
  -----------------------
       Burton J. McMurtry
  
  
  /S/  F. GIBSON MYERS, JR.                       Director                                 July 8, 1998
  -------------------------
       F. Gibson Myers, Jr.
  
  </TABLE>
  
  
                                        II-2
  <PAGE>   4
                                   EXHIBIT INDEX
  
  
  <TABLE>
  <CAPTION>
  EXHIBIT
  NUMBER         DESCRIPTION
  -------        -----------
  <S>            <C>
   5.1           Opinion of Ireland, Stapleton, Pryor & Pascoe, P.C. regarding the
                 legality of the Common Stock being registered.
  
  23.1           Consent of Arthur Andersen LLP.
  
  23.2           Consent of Ireland, Stapleton, Pryor & Pascoe, P.C. (included in
                 the opinion filed as Exhibit 5.1).
  
  25.1           Power of Attorney (included in Part II of this Registration 
                 Statement under the caption "Signatures").
  </TABLE>
metadata_documents: [{"type": "S-8", "sequence": "1", "description": "FORM S-8", "secsgml_size_bytes": 7482}]
metadata_filer: {"company-data": {"conformed-name": "SPECTRALINK CORP", "cik": "0000894268", "assigned-sic": "3663", "irs-number": "841141188", "state-of-incorporation": "DE", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "S-8", "act": "33", "file-number": "333-58803", "film-number": "98663587"}, "business-address": {"street1": "5755 CENTRAL AVENUE", "street2": "SUITE 202E", "city": "BOULDER", "state": "CO", "zip": "80301", "phone": "3034405330"}, "mail-address": {"street1": "5755 CENTRAL AVENUE", "street2": "SUITE 202E", "city": "BOULDER", "state": "CO", "zip": "80301"}}
text: 1
                                                       Registration No. 333-
  
        As filed with the Securities and Exchange Commission on July 9, 1998.
  
                         SECURITIES AND EXCHANGE COMMISSION
                               Washington, D.C. 20549
                      ----------------------------------------
  
                                      FORM S-8
                            REGISTRATION STATEMENT UNDER
                             THE SECURITIES ACT OF 1933
  
                               SPECTRALINK CORPORATION
               (Exact name of registrant as specified in its charter)
  
         DELAWARE                                       84-1141188
   (State or other juris-                            (I.R.S. Employer
  diction of incorporation                           Identification No.)
      or organization)
  
                                 5755 CENTRAL AVENUE
                               BOULDER, COLORADO 80301
            (Address, including zip code of Principal Executive Offices)
  
                      SPECTRALINK CORPORATION STOCK OPTION PLAN
                SPECTRALINK CORPORATION EMPLOYEE STOCK PURCHASE PLAN
                              (Full Title of the Plans)
  
                             BRUCE M. HOLLAND, PRESIDENT
                               SPECTRALINK CORPORATION
                                 5755 CENTRAL AVENUE
                               BOULDER, COLORADO 80301
                                   (303) 440-5330
                        (Name, address and telephone number,
                     including area code, of agent for service)
                      ----------------------------------------
  
                           CALCULATION OF REGISTRATION FEE
  =========================================================================================================================
                                                           Proposed                Proposed
    Title of each class of                                  maximum                 maximum                Amount of
       securities to be            Amount to be       offering price per      aggregate offering          registration
          registered                registered              share(1)                 price                     fee
  -------------------------------------------------------------------------------------------------------------------------
  Common Stock, $.01
  par value per share              1,300,000 shares        $4.34                   $ 5,642,000              $1,665
  =========================================================================================================================
  (1)  Estimated solely for the purpose of determining the registration fee
       pursuant to Rule 457(c) based upon the average of the bid and ask prices
       reported on the Nasdaq National Market on July 8, 1998.
  2
  
           This Registration Statement is filed in accordance with the provisions
  of General Instruction E to Form S-8. Pursuant thereto, the contents of the
  Registrant's earlier Registration Statement on Form S-8 (Registration No. 333-
  4650) are hereby incorporated by reference.
  
                                       PART II
  
                 INFORMATION REQUIRED IN THE REGISTRATION STATEMENT
  
  ITEM 8.  EXHIBITS.
  5.1     Opinion of Ireland, Stapleton, Pryor & Pascoe, P.C. regarding the legality of the Common Stock
                    being registered.
  
           23.1     Consent of Arthur Andersen LLP.
  
           23.2     Consent of Ireland, Stapleton, Pryor & Pascoe, P.C. (included in the opinion filed as Exhibit 5.1).
  
           25.1     Power of Attorney (included in Part II of this Registration
                    Statement under the caption "Signatures").
  II-1
  3
  
                                     SIGNATURES
  
                    Pursuant to the requirements of the Securities Act of 1933,
  the Registrant certifies that it has reasonable grounds to believe that it meets
  all of the requirements for filing on Form S-8 and has duly caused this
  Registration Statement to be signed on its behalf by the undersigned, thereunto
  duly authorized, in the City of Boulder, State of Colorado, on July 8, 1998.
  
                                          SPECTRALINK CORPORATION
  
                                           By:   /S/   BRUCE M. HOLLAND
                                                 --------------------------
                                                       Bruce M. Holland,
                                                       President
  
                                  POWER OF ATTORNEY
  
                The undersigned directors and/or officers of the Registrant, by
  virtue of their signatures to this Registration Statement appearing below,
  hereby constitute and appoint Bruce M. Holland or William R. Mansfield, or
  either of them, with full power of substitution, as attorney-in-fact in their
  names, places and steads to execute any and all amendments to this Registration
  Statement in the capacities set forth opposite their names and hereby ratify all
  that said attorneys-in-fact may do by virtue hereof.
  
                PURSUANT TO THE REQUIREMENTS OF THE SECURITIES ACT OF 1933, THIS
  REGISTRATION STATEMENT HAS BEEN SIGNED BELOW BY THE FOLLOWING PERSONS IN THE
  CAPACITIES AND ON THE DATES INDICATED.
  Signatures                                    Title                                  Date
           ----------                                    -----                                  ----
  /S/  BRUCE M. HOLLAND                           Principal Executive Officer              July 8, 1998
  ---------------------                             and Director
       Bruce M. Holland
  
  /S/  WILLIAM R. MANSFIELD                       Principal Financial Officer              July 8, 1998
  -------------------------                         and Principal Accounting Officer
       William R. Mansfield 
  
  --------------------------                      Director                                 July __, 1998
       Carl D. Carman
  
  --------------------------                      Director                                 July __, 1998
    Anthony v. Carollo, Jr.
  
  /S/  BURTON J. MCMURTRY                         Director                                 July 8, 1998
  -----------------------
       Burton J. McMurtry
  
  /S/  F. GIBSON MYERS, JR.                       Director                                 July 8, 1998
  -------------------------
       F. Gibson Myers, Jr.
  II-2
  4
                                   EXHIBIT INDEX
  EXHIBIT
  NUMBER         DESCRIPTION
  -------        -----------
  5.1           Opinion of Ireland, Stapleton, Pryor & Pascoe, P.C. regarding the
                 legality of the Common Stock being registered.
  
  23.1           Consent of Arthur Andersen LLP.
  
  23.2           Consent of Ireland, Stapleton, Pryor & Pascoe, P.C. (included in
                 the opinion filed as Exhibit 5.1).
  
  25.1           Power of Attorney (included in Part II of this Registration 
                 Statement under the caption "Signatures").