EX60 does not support ice? Then how the media path knitted scenairo Internet call?

Hi, Experts

When two Jabber client video call between them, it can estalish STUNNING when two customer calling each other from the Internet, then I guess it will be displayed as "Non-traversal call" in VCS Expressway. In addition, it can estalish a relay of the TOWER when STUN failed, then Highway VCS will be shown a "call with a certain amount of relay of the TOWER, but behavior will be different trying about endpoing video material, like EX60, I found when EX60 Internet call to some endpoint, say another Jabber video in internet. the VCS shown exressway a call path, but it isn't the relay of the TOWER for that... I captured the package to the path and found the Jabber video received the package of media not EX60 directly, instead, it's VCS Highway, at least the source IP address of the VCS Expressway media package

So my question/confusion here is, what is the different between the two video Jabber call each to each of the Internet compared to the two EX60? I do clear for ice = STUN or relay of the TOWER, but if EX60 supporting not ice, what is the mechanism for the media in expressway VCS of the fork and finally hand them over to the other side?

Why is - this scenario ' unfortunately?

You said, in the first script that the relay of the TOWER is used in the other scenario not.

The EX60 does not STUN/TURN/ICE support before today.

You can see on the use of the licenses, as well as the ports used on the VCS.

In TURN calls:

TURN server port STUN 3478 UDP
Range of ports for the relay TOWER 60000-61200

UDP

By default the "Expressway" related media calls:

Media port range 50000-54999

UDP

Assent of the UDP 2776,2777

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Tags: Cisco Support

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