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Please Note: The Draytek VigorIPPBX N22P ISDN TE/S0 Module is now End of Life. For alternative products, please see our selection of DrayTek Routers.
This module provides two switchable TE/S0 ports and two fixed S0 ports. The S0 ports (sometimes called NT ports) )are for connection to an existing ISDN PBX trunk port (input). This is useful where you do not wish to replace your existing ISDN PBX yet but want to have the benefits of VoIP. You can also connect ISDN phones to the S0 ports. The two switchable TE/S0 ports can be set to be either S0 or TE mode so the module can provide either 2 S0 + 2TE ports, or four S0 ports. When the two switchable S0/TE ports are set to TE mode, they are for connection to ISDN2e lines (as per fixed TE module above).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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