Version 7.2 341 Mediant 500L Gateway & E-SBC
User's Manual 17. Control Network
The figure below illustrates an example for implementing Remote Media Subnets. IP Group
#2 represents a SIP Trunk which routes international (USA and India) and local calls. As
international calls are typically more prone to higher delay than local calls, different Quality
of Experience Profiles are assigned to them. This is done by creating Remote Media
Subnets for each of these call destinations and assigning each Remote Media Subnet a
different Quality of Experience Profile. A Quality of Experience Profile that defines a packet
delay threshold is assigned to the international calls, which if crossed, a different IP Profile
is used that defines higher traffic priority to voice over other traffic. In addition, IP Group #2
has a 10-Mbps bandwidth threshold and a "tighter" bandwidth limitation (e.g., 1 Mbps) is
allocated to local calls. If this limit is exceeded, the device rejects new calls to this Remote
Media Subnet.
Figure 17-2: Remote Media Subnets Example
The following procedure describes how to configure Remote Media Subnets through the
Web interface. You can also configure it through ini file (RemoteMediaSubnet) or CLI
(configure voip > remote-media-subnet).
To configure a Remote Media Subnet:
1. Open the Media Realms table (see ''Configuring Media Realms'' on page 337).
2. Select the Media Realm row for which you want to add Remote Media Subnets, and
then click the Remote Media Subnet link located below the table; the Remote Media
Subnet table appears.
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