The Versapath Feature Set allows the P32mxi to act as a miniature switching system, routing voice calls to different networks depending on the number that was dialed. Inbound calls can be routed to different Inbound Trunk Groups from either the Network Interface or inbound FXO calls. Outbound calls can be sent over multiple Outbound Routes depending on circuit availability.
Definitions used with Versapath operations:
A physical system can be broken into four "logical" Versapath systems. This is needed whenever multiple tenants (businesses) want to share a long distance trunk (typically the T1 circuit) by using the same physical Versapath system. To properly route calls (especially 911 calls), each tenant must be configured independently.
An Inbound Trunk Group (ITG) defines where inbound calls are sent to within the system. It is defined by a group of Source channels and a group of Destination channels.
When the phone makes a call, the number it dials is matched against the Screening Table to determine where to route the call. The Outbound Route is the path from any phone (Line) to a Trunk connected to the PSTN. Up to 32 channels can be included in any single Outbound Route. An Outbound Route may also perform Actions to the outbound digit stream (by either adding or deleting leading digits). This feature would typically be used whenever there are Centrex (+9) circuits used as Trunks to the local CO.
The Screening Table is used to make decisions on how and where outbound calls are routed to. There is only one Screening Table for the entire Versapath system.
For specific provisioning information, see the section on Versapath Provisioning.
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