Polycom 4300T Benutzerhandbuch

User Guide V

2

IU 4300T Converged Network Appliance

3 - 46

prioritized list of available network based call processing servers.  The V

2

IU 

appliance using periodic messages monitors each server and the highest 

priority server that is currently reachable will be used for call processing.  This 

feature can also be used to load balance or distribute calls among multiple 

servers however state replication is required by the call processing servers to 

provide full redundancy.

• 4300T Series

• 5300 Series

• 6400 Series

• Polycom IP500 & IP600

• Cisco

• Audiocodes MP-104/108

Configuring VoIP survivability in V

2

IU appliances consists of the following 

tasks:

Enable VoIP survivability.

Configure call processing server reachability settings (optional).

Specify the number of digits to use for local dialing (optional). 

Configure the IP address of the local LAN side PSTN gateway (optional).

Configure call processing server redundancy (optional). 

Please note that this configuration requires that you have completed the basic 

installation of the V

2

IU appliance including interface, IP, traffic management 

and VoIP configurations.  Information regarding these tasks can be found in 

the “info” section of the V

2

IU appliance, or the User Manual.