Yealink MVC-MR-3Y- AMS 3 Year Annual Maintenance for the MVC-Small Room*Available upon request within one day*

3 Year Annual Maintenance for the MVC-Medim Room: * MVC640-C2-050 * MVC640-C2-051 * MVC640-C2-510 * MVC640-C2-511 * MVC640-C2-D10 * MVC640-C3-050 * MVC640-C3-510 * MVC640-C3-511 * MVC640-C3-D110 * MVC640-C4-000 * MVC640-C4-D13 * MVC640-C4-F10 * MVC640-C4-F13 * MVC660-C2-050 * MVC660-C3-050 * MVC840-C2-000 * MVC840-C2-001 * MVC840-C2-210 * MVC840-C2-211 * MVC840-C2-211-NOPOE * MVC840-C2-321 * MVC840-C3-000 * MVC840-C3-211 *MVC840-C3-211-NOPOE *MVC840-C5-000