Abus TVIP40000 Manuel Utilisateur page 85

RTSP access with VLC:
rtsp://192.168.0.99:10052/live.sdp
"RTSP port" This port can be different from the standard port 554 (554; or 1025 to 65535). If you change it,
note that the input format is analogue to the HTTP port.
"RTP port for video" This port can be different from the default port 5558. The port number must always
be even.
"RTCP port for video" This port must be the "RTP port for video" plus 1.
"RTP port for audio" This port can be different from the default port 5556. The port number must always
be even.
"RTCP port for audio" This port must be the "RTP port for audio" plus 1.
6.5.8 Multicast transmission
Multicast is the message transmission from a single point to a group (also known as a multiple-point
connection). The advantage of multicast is that messages can be transmitted simultaneously to several
recipients or a closed user group without the bandwidth of the sender increasing according to the number
of recipients. When using multicast, the sender only requires the same bandwidth as a single recipient.
The packets are multiplied on each network distributor (switch, router).
Multicast allows data to be sent efficiently to many recipients at the same time in IP networks. This is made
with a special multicast address. In IPv4, the address range 224.0.0.0 to 239.255.255.255 is reserved for
this purpose.
The following multicast settings can be configured for streams 1 - 4 in the video server.
Enable "Always multicast" to use multicast.
"Multicast group address" Specifies a group of IP hosts which belong to this group
"Multicast video port" This port can be different from the default port 5560. The port number must always
be even.
"Multicast RTCP video port" This port must be the "Multicast video port" plus 1.
"Multicast audio port" This port can be different from the default port 5562. The port number must always
be even.
"Multicast RTCP audio port" This port must be the "Multicast audio port" plus 1.
"Multicast TTL" Time to Live
If you are setting up port forwarding in a router, all ports should always be forwarded this way
(RTSP + HTTP). This is imperative for successful communication.
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