Multimedia Communications - Halsall Addison-Wesley - Used Good

Data Communications Computer Networks OSI - Halsall Addison-Wesley - Used Good

Computer Networking and the Internet - Halsall Addison-Wesley - Used Good

Introduction to Broadband Narrowband Systems - Halsall Webb - Used Good

Handbook on Session Initiation Protocol : Networked Multimedia Communications...

Data Communications, Computer Networks & Open Systems by Fred Halsall💬🛜🔄

Data Communications, Computer Networks, and - Hardcover, by Halsall F. - Good

Understanding Local Area Networks By Stanley Schat 1988