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hashimoto.kotaro
Participant

Call flow of VCS-E and VCS-C

Hi all,

I am looking for some documents describing call flow of VCS-E and VCS-C in H.323 just like the jpg I attached.

(Especially when an endpoint dials from internet to intranet)

Is there any documents like tthat?

Best Regards,

Kotaro Hashimoto

1 ACCEPTED SOLUTION

Accepted Solutions
Tomonori Taniguchi
Cisco Employee

Call flow while VCS-E use ASSENT for traversal protocol (pretty much same even use H.460.18 for signal flow).

Please note this call flow include only key messages not every message exchange between Endpoint & VCS as well as VCS-E & VCS-C.

View solution in original post

7 REPLIES 7
Martin Koch
Advocate

Hi!

I do not have something out of the box, but you should be able to make it yourself.

The debug capability on the vcs can help you here, as well as analyzing a network trace with wireshark.

It will have a lot of similarities of your drawaing, besides possible assent/h460.18 and different media flows.

Why do you ask?

Please remember to rate helpful responses and identify

Tomonori Taniguchi
Cisco Employee

Call flow while VCS-E use ASSENT for traversal protocol (pretty much same even use H.460.18 for signal flow).

Please note this call flow include only key messages not every message exchange between Endpoint & VCS as well as VCS-E & VCS-C.

View solution in original post

Hi Taniguchi-san,

Thank you for your information.

This is exactly what I wanted.

BTH this call flow seems to be one page of a document.

Where can I get the document?

Best Regards,

Kotaro Hashimoto

This is something I created in ppt format for signal reference and not published as official document.

Hi Taniguchi-san,

Okay, I understand.

Thank you again!

Best Regards,

Kotaro Hashimoto

This is very simple document but I have uploaded to https://supportforums.cisco.com/docs/DOC-27662 for your connivance in case of you need it for making any report/proposal to customer.

Please note this is not official document and only contain key call flow messages and not including all messages that exchange between devices.

anthony.chadwick
Beginner

These links may help also.

http://www.cisco.com/web/DK/assets/docs/presentations/Video_Update_Video_ports_31mar11.pdf

http://www.cisco.com/en/US/tech/tk1077/technologies_tech_note09186a00800c5e0d.shtml

www.cisco.com/en/US/docs/telepresence/endpoint/mxp-series/white_papers/tandberg_h323.pdf

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