SIP User's Manual 420 Document #: LTRT-65415
MediaPack Series
Parameter Description
[EnableDetectRemoteMACChange]
Changes the RTP packets according to the MAC address of
received RTP packets and according to Gratuitous Address
Resolution Protocol (GARP) messages.
[0] = Nothing is changed.
[1] = If the device receives RTP packets with a different
source MAC address (than the MAC address of the
transmitted RTP packets), then it sends RTP packets to
this MAC address and removes this IP entry from the
device's ARP cache table.
[2] = The device uses the received GARP packets to
change the MAC address of the transmitted RTP packets
(default).
[3] = Options 1 and 2 are used.
Notes:
For this parameter to take effect, a device reset is
required.
If the device is located in a network subnet which is
connected to other gateways using a router that uses
Virtual Router Redundancy Protocol (VRRP) for
redundancy, then set this parameter to 0 or 2.
Web: RTP Base UDP Port
EMS: Base UDP Port
[BaseUDPport]
Lower boundary of the UDP port used for RTP, RTCP (RTP
port + 1) and T.38 (RTP port + 2). The upper boundary of
the UDP port range is the Base UDP Port + 10 * number of
the device's channels.
The range of possible UDP ports is 6,000 to 64,000. The
default base UDP port is 6000.
For example, if the Base UDP Port is set to 6000, then 1)
one channel may use the ports RTP 6000, RTCP 6001, and
T.38 6002, 2) another channel may use RTP 6010, RTCP
6011, and T.38 6012, etc.
The UDP port range is as follows:
MP-112/MP-114: BaseUDPport to BaseUDPport + 3*10
MP-118: BaseUDPport to BaseUDPport + 7*10
MP-124: BaseUDPport to BaseUDPport + 23*10
Notes:
For this parameter to take effect, a device reset is
required.
The UDP ports are allocated randomly to channels.
You can define a UDP port range per Media Realm (see
Configuring Media Realms).
If RTP Base UDP Port is not a factor of 10, the following
message is generated: 'invalid local RTP port'.
For detailed information on the default RTP/RTCP/T.38
port allocation, refer to the Product Reference Manual.
Web: Remote RTP Base UDP Port
EMS: Remote Base UDP Port
[RemoteBaseUDPPort]
Determines the lower boundary of UDP ports used for RTP,
RTCP and T.38 by a remote device. If this parameter is set
to a non-zero value, ThroughPacket™ (RTP multiplexing) is
enabled. The device uses this parameter (and
BaseUDPPort) to identify and distribute the payloads from
the received multiplexed IP packet to the relevant channels.
The valid range is the range of possible UDP ports: 6,000 to
64,000.
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