Supplemental Indenture, dated as of January 25, 2010



 Exhibit 10.43 
 SUPPLEMENTAL INDENTURE 
 Supplemental Indenture (this
“Supplemental Indenture”), dated as of January 25, 2010, among Worldwide Asset Purchasing, LLC, a Nevada limited liability company (“WAP”), Stream57 Corporation, a Delaware corporation (together with WAP, each,
a “Guaranteeing Subsidiary” and, together, the “Guaranteeing Subsidiaries”), West Corporation, a Delaware corporation (the “Issuer”), and The Bank of New York Mellon, as trustee (the
“Trustee”). 
 W I T N E S S E T H 
 WHEREAS, the Issuer has heretofore executed and delivered to the Trustee an indenture (the
“Indenture”), dated as of October 24, 2006, providing for the issuance of an unlimited aggregate principal amount of 9 1/2% Senior Notes due 2014 (the “Notes”); 
 WHEREAS, the Indenture provides that under certain circumstances the Guaranteeing Subsidiaries shall execute and deliver to the Trustee a supplemental indenture pursuant to which each Guaranteeing
Subsidiary shall unconditionally guarantee all of the Issuer’s Obligations under the Notes and the Indenture on the terms and conditions set forth herein and under the Indenture (the “Guarantee”); 
 WHEREAS, pursuant to Section 9.01 of the Indenture, the Trustee is authorized to execute and deliver this Supplemental Indenture;

 WHEREAS, all things necessary to make this Supplemental Indenture the legal, valid and binding obligation of the Issuer and
the Guaranteeing Subsidiaries have been done. 
 NOW THEREFORE, in consideration of the foregoing and for other good and
valuable consideration, the receipt of which is hereby acknowledged, the parties mutually covenant and agree for the equal and ratable benefit of the Holders of the Notes as follows: 
 (1) Capitalized Terms. Capitalized terms used herein without definition shall have the meanings assigned to them in the Indenture.

 (2) Agreement to Guarantee. Each Guaranteeing Subsidiary hereby agrees as follows: 
 (a) Along with all Guarantors named in the Indenture, to jointly and severally unconditionally guarantee to each Holder of a
Note authenticated and delivered by the Trustee and to the Trustee and its successors and assigns, irrespective of the validity and enforceability of the Indenture, the Notes or the obligations of the Issuer hereunder or thereunder, that:

 (i) the principal of and interest, premium and Additional Interest, if any, on the Notes will be promptly paid
in full when due, whether at maturity, by acceleration, redemption or otherwise, and interest on the overdue principal of and interest on the Notes, if any, if lawful, and all other obligations of the Issuer to the Holders or the Trustee hereunder
or thereunder will be promptly paid in full or performed, all in accordance with the terms hereof and thereof; and 
 (ii) in case of any extension of time of payment or renewal of any Notes or any of such other obligations, that same will be promptly paid in full when due or performed in accordance with the terms of the extension or renewal, whether at
stated

  

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maturity, by acceleration or otherwise. Failing payment when due of any amount so guaranteed or any performance so guaranteed for whatever reason, the Guarantors and each Guaranteeing Subsidiary
shall be jointly and severally obligated to pay the same immediately. This is a guarantee of payment and not a guarantee of collection. 
 (b) The obligations hereunder shall be unconditional, irrespective of the validity, regularity or enforceability of the Notes or the Indenture, the absence of any action to enforce the same, any waiver or
consent by any Holder of the Notes with respect to any provisions hereof or thereof, the recovery of any judgment against the Issuer, any action to enforce the same or any other circumstance which might otherwise constitute a legal or equitable
discharge or defense of a guarantor. 
 (c) The following is hereby waived: diligence, presentment, demand of
payment, filing of claims with a court in the event of insolvency or bankruptcy of the Issuer, any right to require a proceeding first against the Issuer, protest, notice and all demands whatsoever. 
 (d) This Guarantee shall not be discharged except by complete performance of the obligations contained in the Notes, the
Indenture and this Supplemental Indenture, and each Guaranteeing Subsidiary accepts all obligations of a Guarantor under the Indenture. 
 (e) If any Holder or the Trustee is required by any court or otherwise to return to the Issuer, the Guarantors (including each Guaranteeing Subsidiary), or any custodian, trustee, liquidator or other
similar official acting in relation to either the Issuer or the Guarantors, any amount paid either to the Trustee or such Holder, this Guarantee, to the extent theretofore discharged, shall be reinstated in full force and effect. 
 (f) No Guaranteeing Subsidiary shall be entitled to any right of subrogation in relation to the Holders in respect of any
obligations guaranteed hereby until payment in full of all obligations guaranteed hereby. 
 (g) As between each
of the Guaranteeing Subsidiaries, on the one hand, and the Holders and the Trustee, on the other hand, (x) the maturity of the obligations guaranteed hereby may be accelerated as provided in Article 6 of the Indenture for the purposes of this
Guarantee, notwithstanding any stay, injunction or other prohibition preventing such acceleration in respect of the obligations guaranteed hereby, and (y) in the event of any declaration of acceleration of such obligations as provided in
Article 6 of the Indenture, such obligations (whether or not due and payable) shall forthwith become due and payable by each Guaranteeing Subsidiary for the purpose of this Guarantee. 
 (h) Each Guaranteeing Subsidiary shall have the right to seek contribution from any non-paying Guarantor so long as the
exercise of such right does not impair the rights of the Holders under this Guarantee. 
 (i) Pursuant to
Section 10.02 of the Indenture, after giving effect to all other contingent and fixed liabilities that are relevant under any applicable Bankruptcy or fraudulent conveyance laws, and after giving effect to any collections from, rights to
receive contribution from or payments made by or on behalf of any other Guarantor in respect of the obligations of such other Guarantor under Article 10 of the Indenture, this new Guarantee shall be limited to the maximum amount permissible such
that the obligations of each Guaranteeing Subsidiary under this Guarantee will not constitute a fraudulent transfer or conveyance. 
  

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 (j) This Guarantee shall remain in full force and effect and continue to be
effective should any petition be filed by or against the Issuer for liquidation or reorganization, should the Issuer become insolvent or make an assignment for the benefit of creditors or should a receiver or trustee be appointed for all or any
significant part of the Issuer’s assets, and shall, to the fullest extent permitted by law, continue to be effective or be reinstated, as the case may be, if at any time payment and performance of the Notes are, pursuant to applicable law,
rescinded or reduced in amount, or must otherwise be restored or returned by any obligee on the Notes and Guarantee, whether as a “voidable preference”, “fraudulent transfer” or otherwise, all as though such payment or
performance had not been made. In the event that any payment or any part thereof, is rescinded, reduced, restored or returned, the Note shall, to the fullest extent permitted by law, be reinstated and deemed reduced only by such amount paid and not
so rescinded, reduced, restored or returned. 
 (k) In case any provision of this Guarantee shall be invalid,
illegal or unenforceable, the validity, legality, and enforceability of the remaining provisions shall not in any way be affected or impaired thereby. 
 (l) This Guarantee shall be a general unsecured senior obligation of each Guaranteeing Subsidiary, ranking pari passu with any other future Senior Indebtedness of each Guaranteeing Subsidiary, if
any. 
 (m) Each payment to be made by a Guaranteeing Subsidiary in respect of this Guarantee shall be made
without set-off, counterclaim, reduction or diminution of any kind or nature. 
 (3) Execution and Delivery. Each
Guaranteeing Subsidiary agrees that the Guarantee shall remain in full force and effect notwithstanding the absence of the endorsement of any notation of such Guarantee on the Notes. 
 (4) Merger, Consolidation or Sale of All or Substantially All Assets. 
 (a) Except as otherwise provided in Section 5.01(c) of the Indenture, no Guaranteeing Subsidiary may consolidate or merge with or into
or wind up into (whether or not the Issuer or such Guaranteeing Subsidiary is the surviving corporation), or sell, assign, transfer, lease, convey or otherwise dispose of all or substantially all of its properties or assets, in one or more related
transactions, to any Person unless: 
 (i)(A) such Guaranteeing Subsidiary is the surviving corporation or the
Person formed by or surviving any such consolidation or merger (if other than such Guaranteeing Subsidiary) or to which such sale, assignment, transfer, lease, conveyance or other disposition will have been made is a corporation organized or
existing under the laws of the jurisdiction of organization of such Guaranteeing Subsidiary, as the case may be, or the laws of the United States, any state thereof, the District of Columbia, or any territory thereof (such Guaranteeing Subsidiary or
such Person, as the case may be, being herein called the “Successor Person”); 
 (B) the
Successor Person, if other than such Guaranteeing Subsidiary, expressly assumes all the obligations of such Guaranteeing Subsidiary under the Indenture and such Guaranteeing Subsidiary’s related Guarantee pursuant to supplemental indentures or
other documents or instruments in form reasonably satisfactory to the Trustee; 
 (C) immediately after such
transaction, no Default exists; and 
  

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 (D) the Issuer shall have delivered to the Trustee an Officer’s
Certificate and an Opinion of Counsel, each stating that such consolidation, merger or transfer and such supplemental indentures, if any, comply with the Indenture; or 
 (ii) the transaction is made in compliance with Sections 4.10(a)(1) and (2) of the Indenture; 
 (b) Subject to certain limitations described in the Indenture, the Successor Person will succeed to, and be substituted for, such
Guaranteeing Subsidiary under the Indenture and such Guaranteeing Subsidiary’s Guarantee. Notwithstanding the foregoing, any Guaranteeing Subsidiary may (x) consolidate or merge into or transfer all or part of its properties and assets to
another Guarantor or the Issuer or (y) merge with an Affiliate of the Issuer solely for the purpose of reincorporating such Guaranteeing Subsidiary in a State of the United States as long as the amount of the Indebtedness, Preferred Stock and
Disqualified Stock is not increased thereby. 
 (5) Releases. 
 The Guarantee of any Guaranteeing Subsidiary shall be automatically and unconditionally released and discharged, and no further action by
such Guaranteeing Subsidiary, the Issuer or the Trustee is required for the release of such Guaranteeing Subsidiary’s Guarantee, upon: 
 (1)(A) any sale, exchange or transfer (by merger or otherwise) of the Capital Stock of such Guaranteeing Subsidiary (including any sale, exchange or transfer), after which such Guaranteeing Subsidiary is
no longer a Restricted Subsidiary or all or substantially all the assets of such Guaranteeing Subsidiary which sale, exchange or transfer is made in compliance with Sections 4.10(a)(1) and (2) of the Indenture; 
 (B) the release or discharge of the guarantee by such Guaranteeing Subsidiary of the Senior Credit Facilities (including by
reason of the termination of the Senior Credit Facilities) or the guarantee which resulted in the creation of the Guarantee, except a discharge or release by or as a result of payment under such guarantee; 
 (C) the proper designation of such Guaranteeing Subsidiary as an Unrestricted Subsidiary; or 
 (D) the Issuer exercising its Legal Defeasance option or Covenant Defeasance option in accordance with Article 8 of the
Indenture or the Issuer’s obligations under the Indenture being discharged in accordance with the terms of the Indenture; and 
 (2) such Guaranteeing Subsidiary delivering to the Trustee an Officer’s Certificate and an Opinion of Counsel, each stating that all conditions precedent provided for in the Indenture relating to
such transaction have been complied with. 
 (6) No Recourse Against Others. No director, officer, employee, incorporator
or stockholder of any Guaranteeing Subsidiary shall have any liability for any obligations of the Issuer or the Guarantors (including such Guaranteeing Subsidiary) under the Notes, any Guarantees, the Indenture or this Supplemental Indenture or for
any claim based on, in respect of, or by reason of, such obligations or their creation. Each Holder by accepting Notes waives and releases all such liability. The waiver and release are part of the consideration for issuance of the Notes.

  

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 (7) Governing Law. THIS SUPPLEMENTAL INDENTURE WILL BE GOVERNED BY AND CONSTRUED IN
ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK. 
 (8) Counterparts. The parties may sign any number of copies of this
Supplemental Indenture. Each signed copy shall be an original, but all of them together represent the same agreement. 
 (9)
Effect of Headings. The Section headings herein are for convenience only and shall not affect the construction hereof. 
 (10) The Trustee. The Trustee shall not be responsible in any manner whatsoever for or in respect of the validity or sufficiency of this Supplemental Indenture or for or in respect of the recitals contained herein, all of which
recitals are made solely by each Guaranteeing Subsidiary. 
 (11) Subrogation. Each Guaranteeing Subsidiary shall be
subrogated to all rights of Holders of Notes against the Issuer in respect of any amounts paid by each Guaranteeing Subsidiary pursuant to the provisions of Section 2 hereof and Section 10.01 of the Indenture; provided that, if an
Event of Default has occurred and is continuing, no Guaranteeing Subsidiary shall be entitled to enforce or receive any payments arising out of, or based upon, such right of subrogation until all amounts then due and payable by the Issuer under the
Indenture or the Notes shall have been paid in full. 
 (12) Benefits Acknowledged. Each Guaranteeing Subsidiary’s
Guarantee is subject to the terms and conditions set forth in the Indenture. Each Guaranteeing Subsidiary acknowledges that it will receive direct and indirect benefits from the financing arrangements contemplated by the Indenture and this
Supplemental Indenture and that the guarantee and waivers made by it pursuant to this Guarantee are knowingly made in contemplation of such benefits. 
 (13) Successors. All agreements of each Guaranteeing Subsidiary in this Supplemental Indenture shall bind its Successors, except as otherwise provided in Section 2(k) hereof or elsewhere in
this Supplemental Indenture. All agreements of the Trustee in this Supplemental Indenture shall bind its successors 
  

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 IN WITNESS WHEREOF, the parties hereto have caused this Supplemental Indenture to be duly
executed, all as of the date first above written. 
  

			
	WORLDWIDE ASSET PURCHASING, LLC
	
	BY: WEST RECEIVABLE SERVICES, INC., ITS SOLE MEMBER
		
	By:	 	 /s/ Paul M. Mendlik

	Name:	 	Paul M. Mendlik
	Title:	 	Chief Financial Officer/Treasurer


  

			
	STREAM57 CORPORATION
		
	By:	 	 /s/ Paul M. Mendlik

	Name:	 	Paul M. Mendlik
	Title:	 	Chief Financial Officer/Treasurer


 [Signature Page – Supplemental Senior Notes Indenture No. 7]









			
	THE BANK OF NEW YORK, as Trustee
		
	By:	 	 /s/ Christopher Greene

	Name:	 	 Christopher Greene

	Title:	 	Vice President


 [Signature Page – Supplemental Senior Notes Indenture No. 7]








 Acknowledged and Agreed to by: 
  

			
	WEST CORPORATION
		
	By:	 	 /s/ Paul M. Mendlik

	Name:	 	Paul M. Mendlik
	Title:	 	Chief Financial Officer/Treasurer

 [Signature Page – Supplemental Senior Notes Indenture No. 7]