Bayer, Michael
Computer telephony : demystified
McGraw-Hill, 2000
 Multimedia
Goralski, Walter J.
IP telephony
McGraw-Hill, 2000
 Buku Teks
Chairul Wadi
Kajian penyelenggaraan jasa internet telephony dengan sistem clearing house
Fakultas Teknik Universitas Indonesia, 1999
 UI - Tesis (Membership)
Voice over IP: systems and solutions
edited by Richard Swale
Institution of Engineering and Technology, 2008
 eBooks
Asep Adiwinata
Simulasi dan analisis quality of service jaringan voice over IP melalui manajemen antrian paket class based queueing
Fakultas Teknik Universitas Indonesia, 2005
 UI - Skripsi (Membership)