Session initiation protocol (SIP) provisioning error detection for an optical network terminal (ONT)
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United States of America Patent
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Issued Date -
Jun 25, 2009
app pub date -
Dec 21, 2007
filing date -
Dec 21, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A Session Initiation Protocol (SIP) network can malfunction or be incorrectly provisioned in such a way that an Optical Network Terminal (ONT) cannot perform SIP operations and complete SIP voice path calls between the ONT voice port and the SIP network. Accordingly, a technique for validating SIP operations is provided which (i) verifies locally stored SIP operation parameters are currently valid, (ii) initiates an SIP session with a known SIP validation endpoint in an event the locally stored SIP operation parameters are verified to be currently valid, and (iii) reports results of the verifying of the locally stored SIP operation parameters or the initiating of the SIP session. By validating SIP operation parameters, the ONT maintains its state of readiness to support SIP sessions, such as in-coming or outgoing normal or emergency 9-1-1 voice calls.
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