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  1. deanaltman

    IP phones for XTS

    Well, I know of no VoIP system where you can walk into ANY business and have the phone come up every time without using a VPN tunnel and a soft-phone (even that requires VPN Passthrough). The reason for this is the abundance of NAT's, firewalls set up by non-IT personnel, firewalls on the...
  2. deanaltman

    Vodavi Telennium IP PBX

    Hi, I've found the Telenium to be a good quality system. Since everyone and their brother are trying to get into the VoIP market, it's good to see some valid systems. This one actually works great if the network is configured properly. However, like all new systems, we've been...
  3. deanaltman

    IP phones for XTS

    Hi, I have these working over a WAN, but not through a NAT. If you want to have an IP phone working through a NAT, I use Vodavi's Telenium (the new IP system) with an RSGM (Remote Services Gateway Module). It also provides the remote worker an analog line over IP. Currently, the RSGM...

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