These instructions help you configure your Avaya IP Office up to v5 v6+ phone system to work with TIM Plus. Contact your system maintainer if you are not familiar with the configuration of your PBX.
...
These instructions help you configure your Avaya IP Office up to v5 v6+ phone system to work with TIM Plus. Contact your system maintainer if you are not familiar with the configuration of your PBX.
...