Ims Multimedia Telephony Over Cellular Systems Voip Evolution in a Converged Telecommunication World (Hardcover) ISBN-13: 9780470058558 ISBN-10: 0470058552 Genres: Science & Math, Engineering & Transportation 1 |
Ims Multimedia Telephony Over Cellular Systems Voip Evolution in a Converged Telecommunication World (Hardcover) ISBN-13: 9780470058558 ISBN-10: 0470058552 Genres: Science & Math, Engineering & Transportation 1 |