The IMS: IP Multimedia Concepts and Services
by Miikka Poikselka,Aki Niemi,Hisham Khartabil,Georg Mayer
ISBN 13: 9780470019061
Format: Hardcover (466 pages) Publisher: Wiley–Blackwell Published: 13 Jan 2006 Other Format: Hardcover
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by Miikka Poikselka, Georg Mayer
ISBN 13: 9780470721964
Format: Hardcover (560 pages) Publisher: Wiley-Blackwell Published: 23 Jan 2009 Other Format: Hardcover