1. VoIP emergency calling
Author: Richard Barnes, Karl Heinz Wolf
Library: Central Library and Information Center of Shahed University (Tehran)
Subject: Internet telephony,Telephone, Emergency reporting systems
Classification :
TK
،
5105
,.
8865
،.
B36
،
2011
2. VoIP emergency calling
Author: / Richard Barnes, Karl Heinz Wolf
Library: Central Library, Center of Documentation and Supply of Scientific Resources (East Azarbaijan)
Subject: Internet telephony,Telephone, Emergency reporting systems
Classification :
TK5105
.
8865
.
B36
2011
3. VoIP emergency calling: foundations and practice
Author: Barnes, Richard
Library: Central Library and Information Center of Ferdowsi University of Mashhad (Khorasan Razavi)
Subject: ، Internet telephony,Emergency reporting systems ، Telephone
Classification :
TK
5105
.
8865
.
B36
2011
