Dialogic DMG2030DTI Manual de usuario descargar pdf (Pagina 2)

Dialogic® 2000 Media Gateway Series

Dialogic Part Number

Description

DMG2030DTI

Single span T1/E1/Q.SIG Media gateway to support up to 30 channels

DMG2060DTI

Dual span T1/E1/Q.SIG Media gateway to support up to 60 channels

DMG2120DTI

Quad span T1/E1/Q.SIG Media gateway to support up to 120 channels

Integration Topology

The Dialogic Media Gateways use the SIP protocol to communicate with the UC server and proprietary

techniques to integrate with traditional PBXs. The UC server can support multiple gateways

simultaneously to increase the number of channels to integrate with the PBX. The type of integration and

the methods of integration can be found on the Dialogic web site:

http://www.dialogic.com/support/helpweb/mg/integration.htm

If you require more than one gateway to support the number of simultaneous calls for your application,

you must take into consideration the PBX hunting type. “Hunting type” refers to the ordering technique

the PBX uses to present incoming calls to the UC server – linear, circular – and the specific sequence that

the PBX uses to send calls to the UC server.

Best practices:

1. Configure the incoming and outgoing ports to arrive in reverse order. As an example, incoming

calls originate on the first gateway (non-prime) and if all the ports are busy, use the last gateway

(prime). When originating calls, the UC server uses the last gateway and the PBX presents calls

starting on the first gateway. This is done to reduce „glare‟ or the possibility of collisions with

incoming and outgoing calls.

2. Configure as many ports on the primary gateway as possible. For example, if the application

requires an uneven number of gateways (for example, the application requires 12 ports but you

have enough ports to configure 16) make sure that the last gateway (prime) is provisioned with as

many ports as possible.

The primary gateway, the SIP media gateway configured in the UC server, is used for all outbound calls

and activating/deactivating message waiting lights. If you have more than one gateway, you must

configure the PBX to terminate on the other gateways first.

It is a best practice, to arrange the incoming and outgoing calls to originate in opposite directions from

each other. If you are using more than one gateway, make sure that the majority of your incoming calls do

not originally get offered on the primary gateway.

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Dialogic DMG2030DTI Manual de usuario Pagina 2