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BALANCE SHEET DETAILS - Other Current Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 40506 - Disclosure - BALANCE SHEET DETAILS - Other Long-term Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 40701 - Disclosure - COMMITMENTS AND CONTINGENCIES - Future Minimum Lease Payments Under All Non-Cancelable Operating Leases (Details) link:presentationLink link:calculationLink link:definitionLink 41001 - Disclosure - INCOME TAXES (Schedule of United States and foreign Income (Loss) Before Income Taxes and Non-Controlling Interest) (Details) link:presentationLink link:calculationLink link:definitionLink 41002 - Disclosure - INCOME TAXES (Schedule of Components of Provision (Benefit) for Income Taxes) (Details) link:presentationLink link:calculationLink link:definitionLink 41004 - Disclosure - INCOME TAXES (Summary of Components of Net Deferred Tax Assets) (Details) link:presentationLink link:calculationLink link:definitionLink 41008 - Disclosure - INCOME TAXES (Schedule of Reconciliation of Effective Income Tax Rate and Federal Statutory Rate) (Details) link:presentationLink link:calculationLink link:definitionLink 41101 - Disclosure - OTHER INCOME, NET (Schedule of Components of Other Income, Net) (Details) link:presentationLink link:calculationLink link:definitionLink 41201 - Disclosure - NET INCOME (LOSS) PER SHARE (Schedule of Computation of Basic and Diluted Net Income Per Share) (Details) link:presentationLink link:calculationLink link:definitionLink 41301 - Disclosure - SEGMENT REPORTING (Summary of the Company's Segment Net Sales, Gross Profit and Segment Margin) (Details) link:presentationLink link:calculationLink link:definitionLink 00090 - Document - Document and Entity Information link:presentationLink link:calculationLink link:definitionLink 00105 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 00300 - Statement - CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY link:presentationLink link:calculationLink link:definitionLink 10101 - Disclosure - BASIS OF PRESENTATION, LIQUIDITY link:presentationLink link:calculationLink link:definitionLink 10201 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES link:presentationLink link:calculationLink link:definitionLink 10301 - Disclosure - DIVESTITURES link:presentationLink link:calculationLink link:definitionLink 10401 - Disclosure - COMPREHENSIVE INCOME (LOSS) link:presentationLink link:calculationLink link:definitionLink 10501 - Disclosure - BALANCE SHEET DETAILS link:presentationLink link:calculationLink link:definitionLink 10601 - Disclosure - CASH, CASH EQUIVALENTS AND SHORT AND LONG TERM INVESTMENTS link:presentationLink link:calculationLink link:definitionLink 10701 - Disclosure - COMMITMENTS AND CONTINGENCIES link:presentationLink link:calculationLink link:definitionLink 10801 - Disclosure - COMMON STOCK REPURCHASE AND ISSUANCE link:presentationLink link:calculationLink link:definitionLink 10901 - Disclosure - COMMON STOCK AND STOCK INCENTIVE PLANS link:presentationLink link:calculationLink link:definitionLink 11001 - Disclosure - INCOME TAXES link:presentationLink link:calculationLink link:definitionLink 11101 - Disclosure - OTHER INCOME, NET link:presentationLink link:calculationLink link:definitionLink 11201 - Disclosure - NET INCOME (LOSS) PER SHARE link:presentationLink link:calculationLink link:definitionLink 11301 - Disclosure - SEGMENT REPORTING link:presentationLink link:calculationLink link:definitionLink 11401 - Disclosure - CREDIT RISK AND CONCENTRATION link:presentationLink link:calculationLink link:definitionLink 11501 - Disclosure - RELATED PARTY TRANSACTIONS link:presentationLink link:calculationLink link:definitionLink 11601 - Disclosure - SUBSEQUENT EVENTS link:presentationLink link:calculationLink link:definitionLink 11701 - Disclosure - SCHEDULE I CONDENSED FINANCIAL INFORMATION OF REGISTRANT link:presentationLink link:calculationLink link:definitionLink 11801 - Disclosure - SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS AND RESERVES link:presentationLink link:calculationLink link:definitionLink 20202 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies) link:presentationLink link:calculationLink link:definitionLink 30203 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) link:presentationLink link:calculationLink link:definitionLink 30403 - Disclosure - COMPREHENSIVE INCOME (LOSS) (Tables) link:presentationLink link:calculationLink link:definitionLink 30503 - Disclosure - BALANCE SHEET DETAILS (Tables) link:presentationLink link:calculationLink link:definitionLink 30603 - Disclosure - CASH, CASH EQUIVALENTS AND SHORT AND LONG TERM INVESTMENTS (Tables) link:presentationLink link:calculationLink link:definitionLink 30703 - Disclosure - COMMITMENTS AND CONTINGENCIES (Tables) link:presentationLink link:calculationLink link:definitionLink 30803 - Disclosure - COMMON STOCK AND STOCK INCENTIVE PLANS (Tables) link:presentationLink link:calculationLink link:definitionLink 31003 - Disclosure - INCOME TAXES (Tables) link:presentationLink link:calculationLink link:definitionLink 31103 - Disclosure - OTHER INCOME, NET (Tables) link:presentationLink link:calculationLink link:definitionLink 31203 - Disclosure - NET INCOME (LOSS) PER SHARE (Tables) link:presentationLink link:calculationLink link:definitionLink 31303 - Disclosure - SEGMENT REPORTING (Tables) link:presentationLink link:calculationLink link:definitionLink 31403 - Disclosure - CREDIT RISK AND CONCENTRATION (Tables) link:presentationLink link:calculationLink link:definitionLink 40101 - Disclosure - BASIS OF PRESENTATION, LIQUIDITY (Details) link:presentationLink link:calculationLink link:definitionLink 40201 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Cash and Cash Equivalents (Details) link:presentationLink link:calculationLink link:definitionLink 40202 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Restricted Cash (Details) link:presentationLink link:calculationLink link:definitionLink 40203 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Investments (Details) link:presentationLink link:calculationLink link:definitionLink 40204 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Revenue Recognition (Details) link:presentationLink link:calculationLink link:definitionLink 40205 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Product Warranty (Details) link:presentationLink link:calculationLink link:definitionLink 40206 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Property, Plant and Equipment (Details) link:presentationLink link:calculationLink link:definitionLink 40207 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Advertising Costs and Operating Leases (Details) link:presentationLink link:calculationLink link:definitionLink 40208 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Accumulated Other Comprehensive Income (Details) link:presentationLink link:calculationLink link:definitionLink 40209 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Income Taxes (Details) link:presentationLink link:calculationLink link:definitionLink 40210 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Foreign Currency Translation (Details) link:presentationLink link:calculationLink link:definitionLink 40211 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Earnings per Share (Details) link:presentationLink link:calculationLink link:definitionLink 40212 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Recent Accounting Pronouncements (Details) link:presentationLink link:calculationLink link:definitionLink 40301 - Disclosure - DIVESTITURES - IPTV operations (Details) link:presentationLink link:calculationLink link:definitionLink 40302 - Disclosure - DIVESTITURES - Liabilities and Assets Related to Un-Assigned Contracts (Details) link:presentationLink link:calculationLink link:definitionLink 40401 - Disclosure - COMPREHENSIVE INCOME (LOSS) - Total Comprehensive Income (Loss) (Details) link:presentationLink link:calculationLink link:definitionLink 40601 - Disclosure - CASH, CASH EQUIVALENTS AND SHORT AND LONG TERM INVESTMENTS - Short-term Investments (Details) link:presentationLink link:calculationLink link:definitionLink 40602 - Disclosure - CASH, CASH EQUIVALENTS AND SHORT AND LONG TERM INVESTMENTS - Long-term investments (Details) link:presentationLink link:calculationLink link:definitionLink 40603 - Disclosure - CASH, CASH EQUIVALENTS AND SHORT AND LONG TERM INVESTMENTS - Long-term Investments, UTStarcom Hong Kong Holdings Ltd (Details) link:presentationLink link:calculationLink link:definitionLink 40604 - Disclosure - CASH, CASH EQUIVALENTS AND SHORT AND LONG TERM INVESTMENTS - Long-term Investments, Cortina (Details) link:presentationLink link:calculationLink link:definitionLink 40605 - Disclosure - CASH, CASH EQUIVALENTS AND SHORT AND LONG TERM INVESTMENTS - Long-term Investments, GCT Semiconductor (Details) link:presentationLink link:calculationLink link:definitionLink 40606 - Disclosure - CASH, CASH EQUIVALENTS AND SHORT AND LONG TERM INVESTMENTS - Long-term Investments, SBI NEO Technology A Investment LPS, or SBI (Details) link:presentationLink link:calculationLink link:definitionLink 40607 - Disclosure - CASH, CASH EQUIVALENTS AND SHORT AND LONG TERM INVESTMENTS - Long-term Investments, Aceland Investments Limited (Details) link:presentationLink link:calculationLink link:definitionLink 40608 - Disclosure - CASH, CASH EQUIVALENTS AND SHORT AND LONG TERM INVESTMENTS - Long-term Investments, AioTV Inc. (Details) link:presentationLink link:calculationLink link:definitionLink 40609 - Disclosure - CASH, CASH EQUIVALENTS AND SHORT AND LONG TERM INVESTMENTS - Long-term Investments, UiTV (Details) link:presentationLink link:calculationLink link:definitionLink 40610 - Disclosure - CASH, CASH EQUIVALENTS AND SHORT AND LONG TERM INVESTMENTS - Summary of Equity Investee Data (Details) link:presentationLink link:calculationLink link:definitionLink 40611 - Disclosure - CASH, CASH EQUIVALENTS AND SHORT AND LONG TERM INVESTMENTS - Summary of Available-for-sale Investments (Details) link:presentationLink link:calculationLink link:definitionLink 40612 - Disclosure - CASH, CASH EQUIVALENTS AND SHORT AND LONG TERM INVESTMENTS - Schedule of Financial Assets Measured and Recognized at Fair Value on a Recurring Basis and Classified under the Appropriate Level of the Fair Value Hierarchy (Details) link:presentationLink link:calculationLink link:definitionLink 40613 - Disclosure - CASH, CASH EQUIVALENTS AND SHORT AND LONG TERM INVESTMENTS - Schedule of Changes in Financial Assets using Unobservable Inputs (Details) link:presentationLink link:calculationLink link:definitionLink 40702 - Disclosure - COMMITMENTS AND CONTINGENCIES - Contractual obligations and commercial commitments (Details) link:presentationLink link:calculationLink link:definitionLink 40801 - Disclosure - COMMON STOCK REPURCHASE AND ISSUANCE - Repurchase Program November 2014 (Details) link:presentationLink link:calculationLink link:definitionLink 40901 - Disclosure - COMMON STOCK AND STOCK INCENTIVE PLANS - Stock Incentive Plans (Details) link:presentationLink link:calculationLink link:definitionLink 40902 - Disclosure - COMMON STOCK AND STOCK INCENTIVE PLANS - Stock Option Activity (Details) link:presentationLink link:calculationLink link:definitionLink 40903 - Disclosure - COMMON STOCK AND STOCK INCENTIVE PLANS - Unvested Restricted Awards (Details) link:presentationLink link:calculationLink link:definitionLink 40904 - Disclosure - COMMON STOCK AND STOCK INCENTIVE PLANS - Significant Ranges of Outstanding and Exercisable Stock Options (Details) link:presentationLink link:calculationLink link:definitionLink 40905 - Disclosure - COMMON STOCK AND STOCK INCENTIVE PLANS - Intrinsic Value (Details) link:presentationLink link:calculationLink link:definitionLink 40906 - Disclosure - COMMON STOCK AND STOCK INCENTIVE PLANS - Dividend Yield, Black-Scholes Assumptions and Unrecognized Compensation Cost (Details) link:presentationLink link:calculationLink link:definitionLink 40907 - Disclosure - COMMON STOCK AND STOCK INCENTIVE PLANS - Allocation of Stock-based Compensation Expense (Details) link:presentationLink link:calculationLink link:definitionLink 41003 - Disclosure - INCOME TAXES (Summary of Unrecognized Tax Benefits) (Details) link:presentationLink link:calculationLink link:definitionLink 41006 - Disclosure - INCOME TAXES (Operating Loss Carryforwards) (Details) link:presentationLink link:calculationLink link:definitionLink 41007 - Disclosure - INCOME TAXES (Tax Credit) (Details) link:presentationLink link:calculationLink link:definitionLink 41009 - Disclosure - INCOME TAXES (Other - Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 41102 - Disclosure - OTHER INCOME, NET (Schedule of Components of Other Income, Net) (Details) link:presentationLink link:calculationLink link:definitionLink 41302 - Disclosure - SEGMENT REPORTING (Schedule of Sales Data by Geographical Area) (Details) link:presentationLink link:calculationLink link:definitionLink 41303 - Disclosure - SEGMENT REPORTING (Schedule of Long-lived Assets, consisting of Property, Plant and Equipment, by Geographical Area) (Details) link:presentationLink link:calculationLink link:definitionLink 41401 - Disclosure - CREDIT RISK AND CONCENTRATION (Details) link:presentationLink link:calculationLink link:definitionLink 41501 - Disclosure - RELATED PARTY TRANSACTIONS (Details) link:presentationLink link:calculationLink link:definitionLink 41601 - Disclosure - SUBSEQUENT EVENTS (Details) link:presentationLink link:calculationLink link:definitionLink 41701 - Disclosure - SCHEDULE I CONDENSED FINANCIAL INFORMATION OF REGISTRANT (REGISTRANT BALANCE SHEETS) (Details) link:presentationLink link:calculationLink link:definitionLink 41702 - Disclosure - SCHEDULE I CONDENSED FINANCIAL INFORMATION OF REGISTRANT (REGISTRANT BALANCE SHEETS) (Parenthetical) (Details) link:presentationLink link:calculationLink link:definitionLink 41703 - Disclosure - SCHEDULE I CONDENSED FINANCIAL INFORMATION OF REGISTRANT (RESULTS OF OPERATIONS ) (Details) link:presentationLink link:calculationLink link:definitionLink 41801 - Disclosure - SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS AND RESERVES (Details) link:presentationLink link:calculationLink link:definitionLink