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Table call Features; 1. Can work with all the hosts (HY-2611C, HY-2611E, HY-2611F, HY-2611G) 2. When press the buttons on them. The hosts (HY-2611E, HY-2611F, HY-2611G) or the pager will display the numbers. 3. There are three kinds of them: One buttonHY-2610E1 (service key), two buttonHY-2610E2 (service and cancel keys, can work with monitor system), three buttonHY-2610E3 (service, bill and cancel keys, can work with monitor system). 4. Wooden and black colors 5. The stands (HY-S101,HY-S108 or HY-S110) are optional, in which you can insertthe manual or advertisement.