Implementasi voice over internet protocol (VoIP), wireless fidelit (wi-fi), dan worldwide interoperability for microwave access (wi-max) di bidang telekomunikasi dalam perspektif Undang-Undang nomor 36 tahun 1999 tentang telekomunikasi

VoIP Technology: Applications and Challenges

Scalable VoIP mobility : integration and deployment

VoIP and enhanced IP communications services: comprehensive report

Softswitch : architecture for VoIP / Franklin D. Ohrtman