ortp only send not receive Editor's Note who knows what?

ortp only send not receive Editor's Note who knows what?
Reply:
Yeah posted code
Reply:
Themselves
Reply:

reference to the second floor xmzh reply:

own solution

Will the landlord is using oRTP package in iPhone yet? Can I pass an example, let me see, by the way also the compiled ortp lib gave me a copy, thank you! ~
Reply:
How to solve?