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我有一個Refer-To
標題:關於「請參閱到」頭
Refer-To: <[email protected]?Target-Dialog=ksdjfhwrklf%3Bremote-tag=676723565%3Blocal-tag=45418454&Require=tdialog&From=tel:+1-237-555-1111&To=tel:+1-987-654-3210&Content-Type=application%2Fsdp&body=v%3D0%0D%0Ao%3D-%202987933623%202987933623%20IN%20IP6%205555::ggg:fff:aaa:bbb%0D%0As%3D-%0D%0Ac%3DIN%20IP6%205555::ggg:fff:aaa:bbb%0D%0At%3D0%200%0D%0Aaudio%203456%20RTP%2FAVP%2097%2096%0D%0Ab%3DAS:25.4%0D%0Aa%3Drtpmap:97%20AMR%0D%0Aa%3Dfmtp:97%20mode-set%3D0%2C2%2C5%2C7%3B%20mode-change-period%3D2%0D%0Aa%3Dmaxptime:20%0D%0A>
在這頭,有很多的%3B
或%0D
等。
我想知道如何將它們轉換爲人類可讀?