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Overview of NetConnect Digital Networking

 NetConnect digital networking is an advanced CallXpress application that allows telephony servers to exchange voice and fax messages over any network based on the TCP/IP protocol—a local area network (LAN), a wide area network (WAN), or the Internet. This section provides a quick overview of this powerful application.

NOTE The information in this overview that discusses how information is transmitted over TCP/IP-based LANs or WANs can also be applied to direct connections to the Internet.


NetConnect builds on the capacity and durability of the Internet and its associated protocols—and simultaneously increases the versatility of the CallXpress software—by adding the following features:

• Improved sound quality. Since all digital network messages are transmitted as data, rather than as audio signals, line quality between the local CallXpress node and a remote node is rarely a concern.


• Reliability. Internet communication protocols are extremely flexible robust; network transactions rarely fail due to communication breakdowns between the two servers.

• Flexibility. NetConnect can operate over either direct or dialup connections to an Internet service provider (ISP). It can also operate over direct connections on a LAN or WAN.

• Familiarity. NetConnect follows the standard CallXpress voice networking model, so subscribers need not learn new procedures for sending messages.

• Fax support. NetConnect networking allows CallXpress subscribers forward fax messages to remote mailboxes on other telephony servers NetConnect installed.

• Support for enterprise-wide systems. In addition to voice and messages, NetConnect can carry status messages, configuration changes, and mailbox information between telephony servers. This, in turn, enterprise-wide system of telephony servers to function in unison. subscribers can send and forward messages to one another as though were all on the same telephony server, and administrators can use telephony server to manage the others through a process called global administration. For more information on global user administration to set it up, see the online book Managing an Enterprise System.

Combining Analog and Digital Networking

The exact combination of digital and analog networking you should use depends on whether, and by what type of connection, the nodes in your network will be connected to a TCP/IP-based network. For example, if all of the nodes have permanent, direct, high-speed connections to such a network or to the Internet, then they should use NetConnect exclusively. On the other hand, if some of the nodes are not connected to the TCP/IP-based network and there are no plans to connect them, the remaining nodes should use analog or Audio Messaging Interchange Specification (AMIS) networking to exchange messages with them. If you plan to use dial-up Internet connections, you may want to consider a combination of analog and digital networking for the highest possible efficiency. For more information on analog networking and how to set it up, see the online book Analog Networking.