H.460.18/19 + Assent Protocol

This came up in the practice material. Was nowhere to be seen on the CITPV2 course however…

Some useful reads:

http://hive1.hive.packetizer.com/users/h323forum/papers/schlatter_h460.pdf

http://www.vtctalk.com/forum/archive/index.php/t-43431.html

https://supportforums.cisco.com/discussion/12042666/cisco-assent-protocol-white-papers-cisco-vcse-firewall-traversal

For connections to the VCS Expressway using the Assent protocol, the default ports are:

Call signaling
• UDP/1719: listening port for RAS messages
• TCP/2776: listening port for H.225 and
H.245 protocols Media
• UDP/2776: RTP media port
• UDP/2777: RTCP media control port

For connections to the VCS Expressway using the H.460.18/19 protocols, the default ports are:

Call signaling
• UDP/1719: listening port for RAS messages
• TCP/1720: listening port for H.225 protocol
• TCP/2777: listening port for H.245 protocol
Media
• UDP/2776: RTP media port
• UDP/2777: RTCP media control port
• UDP/50000-52399: demultiplex media port range

schlatter_h460

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