Blankom IRD-6100, Руководство пользователя

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BLANKOM IRD-6100 HD IRD User Manual
BLANKOM_IRD-6100_User_Manual_RR-V1.1-03-2018.doc - 45 -
same port pair. A participant MUST NOT assume that the source port
of the incoming RTP or RTCP packet can be used as the destination
port for outgoing RTP or RTCP packets. When RTP data packets are
being sent in both directions, each participant's RTCP SR packets
MUST be sent to the port that the other participant has specified for
reception of RTCP. The RTCP SR packets combine sender information
for the outgoing data plus reception report information for the
incoming data. If a side is not actively sending data (see Section
6.4 ), an RTCP RR packet is sent instead.
any port (even, not odd > 1024)
Note: Regarding SAP (Session Announcement Protocol)
IPv4 global scope sessions use multicast addresses in the range 224.2.128.0 - 224.2.255.255 with
SAP Announcements being sent to 224.2.127.254 Port 9875 (note that 224.2.127.255 is used by the
obsolete SAPv0 and MUST NOT be used).
IPv4 administrative scope sessions using administratively scoped IP multicast. The multicast address
to be used for SAP announcements is the highest multicast address in the relevant administrative
scope zone.
For example, if the scope range is 239.16.32.0 - 239.16.33.255, then 239.16.33.255 is used for SAP
Announcements.
Contact:
First Aid, Ralf Riedel: ralf.riedel@blankom.de
IRENIS GmbH
Owiesenkehre 1
D-22177 Hamburg - Germany
Managing Director: Dipl.Ing. Riccardo Rossini
Commercial Register: HRB 130657 / District Court Hamburg
Web: www.blankom.de E-Mail: info@blankom.de
Irenis-Direct Phone: +49 40 459747 Technical Hotline: +49 40 22864848