[asterisk-users] Which internet phone protocol best to choose

[Julien Claassen]

Hello!
   IAX I can basically understand, although I wasn't aware in the slightest, 
that other standard softphones supported it.
   But why SIP? Correct me if I'm wrong. there's a standard SIP-port. Then you 
send out the request to talk, then server and client negotiate a port for the 
audio stream to use. That precisely is, what is bothersome, if you have a 
difficult firewall.
   In short: I am up for the longer answer. :-)
   Kindest regards
          Julien

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