With the high-speed development of themobile communication and Internettechnologies,modern communicationpatterns,like mobile voice,IP voice,Instant Messenger,have made a huge impact ontraditional Public Switched Telep...With the high-speed development of themobile communication and Internettechnologies,modern communicationpatterns,like mobile voice,IP voice,Instant Messenger,have made a huge impact ontraditional Public Switched Telephone Network(PSTN)voice services.The traditional businessmodel with voice as dominant services is beingthreatened.展开更多
文摘With the high-speed development of themobile communication and Internettechnologies,modern communicationpatterns,like mobile voice,IP voice,Instant Messenger,have made a huge impact ontraditional Public Switched Telephone Network(PSTN)voice services.The traditional businessmodel with voice as dominant services is beingthreatened.
