Olivier Hersent grāmatas
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-30%
Beyond Voip Protocols: Understanding Voice Technology and Networking Techniques for IP Telephony
Olivier Hersent, Jean-Pierre Petit, David Gurle
125,17 €
178,82 €
-30% ar kodu BOOKS
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-30%
IP Telephony: Deploying Voip Protocols and IMS Infrastructure
138,11 €
197,30 €
-30% ar kodu BOOKS
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