Avaya Mobile Communication 3100 Planning and Engineering Manual do Utilizador descarregar pdf (Página 24)

24 Planning

Figure 6

Support for multiple call servers using CDP with CS 1000

In an ECS high availability configuration, the MCG 3100 sends a message

to the Primary SPS. If the message

• succeeds, the MCG 3100 uses the Primary SPS and sends a message

every 20 seconds to check its availability.

• fails, the MCG 3100 attempts to connect to the Secondary SPS.

— If the Secondary SPS responds, the MCG 3100 connects to the

Secondary SPS. However, it continues to check the Primary SPS

availability every 20 seconds and reconnects to the Primary SPS

as soon as possible.

— If the Secondary SPS does not respond, the MCG 3100 declares

itself out-of-service.

Capacity

The MCG 3100 supports 1500 users per gateway. Nortel testing used a

capacity of 8000 calls per hour. The 1500 users per gateway capacity

recommendation assumes each user makes on average four calls per hour

(or approximately 6000 calls per hour). This results in a margin of safety

for the capacity of the MCG 3100 when servicing 1500 users per gateway.

Nortel Mobile Communication 3100

Nortel Mobile Communication 3100 Planning and Engineering

NN42030-200 03.04 17 July 2009

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Avaya Mobile Communication 3100 Planning and Engineering Manual do Utilizador Página 24