Network telephone switching system and calling control method thereof
A technology of call control and Internet telephony, which is applied in transmission system, telephone communication, network interconnection, etc. It can solve the problem of not being able to control IP terminal calls in the same way as extension users, unable to use multiple extension functions, and difficult to integrate IP terminals And other issues
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[0022] Preferred embodiments of the present invention will now be described with reference to the accompanying drawings. In the drawings, identical or similar elements described in different drawings are denoted by the same reference numerals. In the following description, a detailed description of known functions and configurations introduced herein will be omitted when it may make the subject matter of the present invention unclear.
[0023] figure 1 A block diagram of a network telephone exchange system according to a preferred embodiment of the present invention is shown. refer to figure 1 , the IP-PBX 14, which is mainly used to switch call paths of multiple traditional terminals 16, is connected to the PSTN 10 through an intra-office line trunk card (or circuit board) (not shown). This intra-office line trunk card is well known to those skilled in the art as interfaces with E1 / T1, PRI (primary rate interface), BRI (basic rate interface) and No. 7 signaling system, etc...
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Abstract
Description
Claims
Application Information
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