Configuring Remote Media Subnets - AudioCodes Mediant 1000B User Manual

Media gateway & enterprise session border controller (e-sbc)

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17.1.1 Configuring Remote Media Subnets

Remote Media Subnets define destination subnets for media (RTP/SRTP) traffic on a

specific Media Realm. Each Remote Media Subnet can be assigned different call quality

(Quality of Experience Profile) and bandwidth utilization (Bandwidth Profile) profiles. These

profiles are configured in 'Configuring Quality of Experience Profiles' on page 303 and

'Configuring Bandwidth Profiles' on page 307, respectively. Thus, you can apply these

profiles to remote media subnets instead of Media Realms or IP Groups. You can configure

up to five Remote Media Subnets per Media Realm.

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.

User's Manual

Assigns a QoE Profile to the Media Realm.

By default, no value is defined (None).

For configuring QoE Profiles, see 'Configuring Quality of Experience

Profiles' on page 303.

Assigns a Bandwidth Profile to the Media Realm.

By default, no value is defined (None).

For configuring Bandwidth Profiles, see 'Configuring Bandwidth Profiles' on

Figure 17-2: Remote Media Subnets Example

Mediant 1000B Gateway and E- SBC

Document #: LTRT-27044