Avaya ESS User Manual page 30

ESS Overview
The users in Port Network 1 through 4 experience the following:
During the no service timer interval:
●
- Stable calls remain up in the same state as they were before the outage occurred. The
stable calls do not have access to any features such as hold, conference, etc. The state
of the stable call cannot be changed.
- Users attempting to originate a telephone call do not get dial tone.
- Incoming calls to the system receive a fast busy (reorder tone) or an announcement from
the facility provider saying all circuits are busy.
After the no service timer expires
●
- Users on an IP connected phone call: Shuffled IP calls will stay up. Once the call
terminates, the user of the IP telephone will not be able to make another call until the IP
telephone re-registers with a gatekeeper.
- Calls on DCP or analog phones terminates
The customer is now in the process of recovering from both the network failure and the Main
server failure (see
4 can now communicate with the S8700 ESS server. The IPSI priority list adjusts to reflect the
S8700 ESS server as the highest priority ESS server. Even though the IPSI priority list now
shows the S8700 ESS server as its highest priority ESS server, the Port Networks do not
automatically return to the control of the S8700 ESS server. Moving the Port Networks from the
S8500 ESS server to another ESS server requires manual intervention using the get
forced-takeover ipsi-interface command or scheduling the Auto Return
functionality. For information on the get forced-takeover ipsi-interface command
see,
get forced-takeover ipserver-interface
Auto Return functionality see,
page 126.
30 Avaya Enterprise Survivable Servers (ESS) Users Guide
Figure 6). As the network failure is fixed, the IPSIs in Port Network 1 through
System-parameters ess form - page seven
on page 152. For information on the
on