1. Windows Central Question's Avatar
    cant able to do make conference cal while i spoke to someone
    04-27-2015 02:30 AM
  2. Ammlan Ghosh's Avatar
    Follow the process as describe in the help. If you get that merge button is not functioning, it implies that you need service activation from your N/W provider. I have faced the same problem while using BSNL post paid connection in INDIA. Ultimately problem was resolved by customer care personnel who activated that service.
    07-31-2015 01:15 AM

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