Virtual private network connecting system
First Claim
1. A virtual private network connecting system in combination with a virtual private network formed by accommodating in a public network a plurality of PBX units each assigned a unique private office number, each of said PBX units comprising:
- number converting means for converting a private office number assigned to a destination PBX unit to a subscriber number assigned to said destination PBX unit by said public network and identifying a method of terminating a call from said public network to said destination PBX unit when an extension accommodated in one of said PBX units issues a call and dials said private office number assigned to said destination PBX unit; and
outgoing call control means for controlling communication between a called extension accommodated in said destination PBX unit through said public network according to a number conversion result provided by said number converting means and a result of the identification of the method of terminating connection.
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Accused Products
Abstract
A virtual private network connecting system in a virtual private network is formed by accommodating in a public network a plurality of PBX units each assigned a unique private office number (ON), the system executed by the units comprising in each of the PBX unit. A virtual private network connecting system comprises number converting units for converting a private office number (ON) to a subscriber number (SN) assigned to the destination PBX unit by the public network and identifying the system of terminating connecting a call from the public network to the destination PBX unit when an extension accommodated in the PBX unit issues a call and dials the private office number (ON) assigned to the destination PBX unit, and outgoing call control units for controlling communication between the called extension accommodated in the destination PBX unit through the public network according to the number conversion result provided by the number converting units and the identification of the system of terminating connection.
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Citations
8 Claims
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1. A virtual private network connecting system in combination with a virtual private network formed by accommodating in a public network a plurality of PBX units each assigned a unique private office number, each of said PBX units comprising:
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number converting means for converting a private office number assigned to a destination PBX unit to a subscriber number assigned to said destination PBX unit by said public network and identifying a method of terminating a call from said public network to said destination PBX unit when an extension accommodated in one of said PBX units issues a call and dials said private office number assigned to said destination PBX unit; and outgoing call control means for controlling communication between a called extension accommodated in said destination PBX unit through said public network according to a number conversion result provided by said number converting means and a result of the identification of the method of terminating connection. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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Specification