I maintain and install Avaya Pbxs.
I ve been asked to connect an Avaya IP OFFICE 500 PBX with a KX-TDA 100. I would kindly like to know what are the options of trunking the KX-TDA with other PBXs.
analogue, basic rate ISDN, or primiry ISDN. it does support gateway card, but not easy to get to work with other systems.
what options do you have with the Avaya?
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