Digital telephone systems.

Digital telephony / by: (Language materials, printed)

DSL for dummies / by: (Language materials, printed)

Planning and designing voice over MPLS networks and voice over IP over MPLS networks by: (Electronic resources)

Voice over data networks by: (Electronic resources)

Voice and data internetworking by: (Electronic resources)

Telephone IP news.. Vol. 15, no. 11 by: (Electronic resources)

Digital telephone systems.

Telephone stations.

Sprint Corp.

Virgin Mobile USA (Firm)

Internet (Computer network)

Modems.

Donn歋es- Transmission.

Mauser-Werke Oberndorf.

Cellular telephone systems.

Internet telephony.

R歋seaux d'ordinateurs.

Sams熪ng Ch熪nja.

Telephone systems.

Data transmission systems.

Management information systems.

TCP/IP (Computer network protocol)

TCP/IP (Protocole de r歋seaux d'ordinateurs)

Computer networks.

R歋seaux t歋l歋phoniques num歋riques.

SurfKitchen (Firm)

Telephone companies.