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42
December, 2005 Vodavi Telenium IP Product Guide
mobility ▪ presence ▪ collaboration ▪ convergence
RSGM Operation
When the Remote Gateway registers to the system, the Telenium
IP
adds the following to its
system resources tables:
1 IP station
1 SLT station
1 PSTN line (CO)
The Telenium
IP
assigns a station ID to the SLT port and a line number to the CO once the
Remote Gateway is connected to the network and communicates with the Telenium
IP
system.
The IP phone is assigned a station ID once it is connected to the RSGM.
Now, at this point the Telenium
IP
administrator owns these three resources. Dial tone is provided
to the IP phone and the SLT device by the Remote Gateway not the Telenium
IP
system.
What happens when the network connection is down (can't reach the Telenium
IP
system)?
Network Failure
The RSGM, still in charge of these signals, automatically 'fails over' to the local CO line. That goes
for either the IP station or the SLT. (One at a time, please).
So what happens if the Remote Gateway loses power?
Power Failure
In a power fail situation, when the Remote Gateway is completely off, the SLT port is failed over
to the local CO port because of the way the Remote Gateway is wired (power-fail transfer
circuit). The IP phone is useless in this situation, but both network failover and power loss
failover are dealt with, if there is an SLT phone connected.