Ease of Integration Regardless of how you choose to take advantage of IP telephony, the InterPrise 3200D makes it easy to implement and as easy-to-use as your office phone or fax machine. You can use your existing telephone to place calls across your Wide Area Network (WAN) just like you would any other call.
Following are a set of example applications using the InterPrise 3200D. These drawings make the assumption that the WAN is already in place. Therefore, the InterPrise gateway is located behind the existing router. In some cases, when the WAN is not in place, the InterPrise 3200D can be installed as the router.
Line build-out (LBO) attenuation: For example, 0dB, 7.5dB, 15dB, or 22.5dB depends on the telephone system and how close it is to the 3200D; set according to the manufacturer’s recommendation) • Reference clock programming: Private Network Master (the InterPrise 3200D acts as a slave) Telephony Interface for E1 •...
If your firewall is using a fully qualified set of IP addresses, then you simply need to open up the ports listed above to allow the inbound voice traffic through. If you are using NAT, then you need to be able to “map” or “bind” the above ports to the IP address of the InterPrise 3200D. Proxy Servers If you intend to pass Voice over IP traffic through a Proxy server, the server needs to be capable of providing proxy services for any IP device, not just Windows PCs.