A method is provided for establishing a telephone call between a trusted
Internet Protocol (IP) telephone and an untrusted device. The method
includes receiving a call initiation request from the untrusted device
that indicates a desired communication with the trusted IP telephone. The
method evaluates the call initiation request, and establishes a
telecommunication link between the untrusted device and the trusted IP
telephone in response to a positive evaluation of the call initiation
request.