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Local Number Portability (LNP) allows a customer the ability to transfer either an existing fixed line or mobile telephone number assigned by a local carrier and reassign it to another carrier. The IMG now supports taking the LNP data in the R-URI on the SIP leg and interworking it into the R-URI and ISUP MIME on the SIP-I leg. The IMG also supports taking the R-URI message from the SIP-I leg and interworking it into the R-URI message on the SIP leg. Feature F-5282 is by default always enabled and does not need any special configuration for it to function.
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