1. Practical VoIP using VOCAL

Author:

Library: Central Library, Center of Documentation and Supply of Scientific Resources (East Azarbaijan)

Subject: Internet telephony

Classification :
E-BOOK

2. Practical VoIP using VOCAL

Author:

Library: Central Library and Information Center of the University of Mohaghegh Ardabili (Ardabil)

Subject: Internet telephony

Classification :
TK5105
.
8865
.
D35
2002