Encapsulation, compression and encryption of PCM data
First Claim
Patent Images
1. A virtual private switched telecommunications network for securely communicating between different locations, the network comprising:
- a public switched telephone network (PSTN);
at least two telephone appliances linked to the PSTN; and
at least two telephones connected to the at least two telephone appliances.
2 Assignments
0 Petitions
Accused Products
Abstract
A system and method to provide secure access across the untrusted public switched telephone network is described. The system and method can be initiated by a security policy defining actions to be taken based upon at least one attribute of the call.
-
Citations
1 Claim
-
1. A virtual private switched telecommunications network for securely communicating between different locations, the network comprising:
-
a public switched telephone network (PSTN);
at least two telephone appliances linked to the PSTN; and
at least two telephones connected to the at least two telephone appliances.
-
Specification