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        Journal: Electronics, 2025
        Volume: 14 
                	Number: 874 
                
        
        Article:
        Reference Phone Number: A Secure and Quality of Service-Improved SIP-Based Phone System 
        Authors: 
       	by
                    Wen-Bin Hsieh        
        Link:
        https://www.mdpi.com/2079-9292/14/5/874
        
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