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Cisco IP Phone 7821 with Multi-Platform Phone Firmware, 3.5-inch Grayscale Display, Class 1 PoE, Supports 2 Lines (CP-7821-3PW-NA-K9=)
Guide de l'utilisateur des téléphones IP Cisco 7811, 7821, 7841 et 7861 pour Cisco Unified Communications Manager 10.0
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Cisco Téléphone IP CP-7821 (certifié reconditionné) I POE alimenté sans Alimentation : Amazon.fr: High-Tech
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