How can I integrate the Blackberry Z10 with RingCentral?

Does anyone know how to integrate RingCentral with the Blackberry Z10? Is there a video on youtube. I am not technically savvy, so some of the instructions out there are very complicated (if you are unfamiliar with all of the terms). Example, on my phone, I have 3 different IPv4, so I was not sure which one to put in with the DDBP. So confusing, can anyone help. Thank you.

For DDPB, you'll want to use the IP associated with your wifi network, or your USB which would start with 169.

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