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 Q: Why my phone number is showed as 213629xxxx, rather than my own number?

It is because your caller-ID is not available. In this way your pinless calling is not enabled because caller-ID is not presented. To enable caller-ID then you will see your own phone number.

For enable caller ID, please check http://www.ecallchina.com/support/kb2857-f-a2590.aspx