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- Configuration sync: all changes must be applied only to Configuration Source PBX
- Supported devices (devices that support double registration):
- WP, Vision (WP600AXX starting from v. 2.8.22)
- W24FXSR2/W04FXS/W02FXSR2 (except for W01FXS – pre 2015)
- W04FXO
- PRI
- BRI
- Collaboration (WEB phone)
- Incoming SIP trunks (remote operators / devices try to connect to both PBXs)
- Android clients
- Failover PBX supports the following call scenarios:
- Internal calls
- Call groups (except for ‘Call All 32’ strategy)
- Calls to/from Wildix gateways
- Calls to/from incoming SIP trunks
- Call transfer
- Return from transfer
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- Activate WMS network between the PBXs
- Set failover PBX in WMS -> Users -> PBXs:
- Click Failover column near the PBX you wish to set up failover for
- Failover setup dialog opens
- Select the failover PBX from the list
- Click Ok
- Make all the configuration on the main PBX (devices, Dialplan, call groups etc.)
- Disable devices sync from WMP on Failover PBX (available starting from WMS version 3.88.41514.30): add “disable_sync_portal=1”, “disable_sync_manual=1” to the config file /rw2/etc/pbx/device_sync.conf
- Make replication for main PBX configuration:
- Access the failover PBX via SSH as root
- Run shell script sync_pbx
- Select 1 (Configure)
- Enter IP of the Main PBX
- Enter the admin password of the Main PBX
- Set failover PBX as secondary DNS server on unsupported devices
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- No support for failover mode via /rw2/etc/phone_failover.conf
- No support for failover mode via secondary DNS Configuration
- No Full TLS Support (check the table provided in the Chapter “Device configuration and switching timeout”)
- It’s necessary to configure separate DHCP server in the local network where phones and gateways are connected
- Changes to configurations of the PBX which synchronizes its configuration from another one will be lost after each sync, Admin should apply all changes only on the source PBX
- No notification present on phone’s display when switching to backup PBX in failover scheme
- Unsupported devices (see the chapter “Failover by DNS”):
- W-AIR
- W04BRI
- W01GSM
- W01FXS (pre 2015)
- Outgoing SIP trunks
- iOS clients
- W-PA
- No XML Browser-based services like history / phonebooks when connected to failover PBX
- Call group with ‘Call All 32’ strategy – calls do not work for failover user
- Call through remote PBXs of WMS network does not work if Main PBX is unavailable
- Continuity feature does not work after switch to failover PBX
- Pre-answer services do not work after switch to failover PBX
- Call to the failover WP480 2015-2016 device can not be completed normally
- Return from semi-attended transfer is not performed
- after transfer from remote user to failover user
- after transfer from failover user to remote user
- BLF presence status of the local user is unavailable for failover user; call can’t be picked up via BLF key
- BLF presence status of the failover user is unavailable for local user; call can’t be picked up via BLF key
- Impossible to perform calls from Kite to failover user via WMS network Server PBX in case main PBX is unavailable
- Email notifications are unavailable for failover user; user features are not available on failover PBX
- Login/logout via 99 service is restricted for failover user
- Language and region settings are not synced during sync_pbx script execution
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Per-Service or Mixed mode
- Server PBX is of Per-User type: you can can activate X Client PBXs and share those licenses as described in the previous chapter. Additionally you can add standalone PBXs, but each PBXs will have its own licenses of Per-User or Per-Service kind.
- Server PBX is of Per-Service type: in this case all PBXs must have their own licenses (each PBX handles its own users).
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