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enter image description here

As in this capture it's really obvious , if I want to send a message from phone(1) to phone(2) how to know these Operations:

1.my message is received or not into phone(2)?

2.my message is read or not into phone(2)?

and I know how to send message in this Link

but here I want to know these operation above , do we have a broadcast to these operations?

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