In H.323 protocol, opening the logical channel follows the rule of "who want to transmit, who open it". ()
For FEC, When both parties establish a call and the packet loss in media stream exceeds 0.1% within 10s, the FEC function is enabled. FEC separates some bandwidth from the call bandwidth to transmit anti-dropping redundant stream. ( )
In Multi-channel Cascading, the prioritie at using the multiple channels is ( ).
The methods for scheduling a conference that supports recording include ( ). (Select 3 answers)
Wireshark supports packet decoding for various protocols, include ( ). (Select 3 answers)