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Please Note: The Draytek VigorIPPBX TE4P ISDN TE Module is now End of Life. For alternative products, please see our selection of DrayTek Routers.
This module has 4 ISDN interfaces which can be connected to standard ISDN2e (BRI) lines providing up to 8 voice channels per module. This allows full integration of your existing ISDN lines into the IPPBX deployment. Incoming calls on ISDN or VoIP can be distributed to extensions exactly as you wish, and outgoing calls made over ISDN or your VoIP trunk according to your own preferences.PSTN Expansion ModulesThe Vigor IPPBX 3510 primarily uses a VoIP Trunk for its connectivity to the PSTN, and IP phones on users' desks. there will be many situations, however, where you have legacy equipment or lines already installed which you wish to continue to use, either temporarily or indefinitely even once the IPPBX is installed. The PSTN module slots on the Vigoro IPPBX 3510 allow you to do that - providing connectivity for analogue lines, analogue extensions, ISDN lines and ISDN PBXs.
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