Method of extending PBX communication functions and connectivity
OwnerCharles Lap San Chaninventor
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OwnerCharles Lap San Chaninventor
Estimating the term…
The present invention discloses a method of extending PBX communication function and connectivity. The present invention may use the original telephone exchange to execute the communication via network other the PSTN connection. The edge device connected with the telephone exchange is allowed to inquire and automatically updates the edge device data list per se, therefore to establish the connections rapidly. On the other hand, the present method of extending PBX communication function and connectivity can further extend new applicable functions. For instance, the edge device may have the functions of encryption and decryption. When the telephone exchange communicates with the edge device, the communication therebetween will be encrypted. Moreover, the advanced functions provided by edge device such as the multimedia communication, leading the communications between the telephone exchanges to have the aforementioned advanced functions, too.
A method of extending PBX communication function and connectivity, operated under an environment established by a plurality of edge devices, a plurality of telephone exchanges, a plurality of telephones and a main server;
Dependencies are inferred from the claim text.