sip 协议消息应答代码（sip protocol message response code）

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1、sip协议消息应答代码（SIPprotocolmessageresponsecode）DetailedexplanationofmessageresponsecodeinterpretationofSIPprotocolContentoutline:1XX=notificationresponse100istrying180dialing181isbeingtransferred182queuingup183callprogress2XX=successfulresponse200OK202accepted:used

2、forreferral3xx=transitreply300multiplechoice301ispermanentlymoved302temporarilymoved304notmodified305useproxyserver380alternativeservices4xx=callfailure400impropercall401unauthorized:onlyfortheuseofregisteredagents,proxyservershoulduseproxyserverauthorization40

3、7402askingforpayment(bookingforfutureuse)403banned404notfound:nousersfound405notallowedmethod406unacceptable407needproxyserverauthorization408calltimeout:nousercanbefoundwithinscheduledtime410hasdisappeared:theuserhasexisted,buthasdisappearedfromhereThe413calle

4、ntityistoolarge414callURItoolong415unsupportedmediatypes416unsupportedURIscheme420improperextensions:usingimproperSIPprotocolextensions,theservercannotunderstandtheextension421needtoexpand423timeintervalistooshort480temporarilynotavailable481call/transactiondoe

5、snotexist482detectedthecycleToomany483hops484addressincomplete485blur486busyhereThe487callisterminated488unacceptablehere489badevent491callpending493cannotread:unabletointerpretthestylisticpartofS/MIME5xx=serverfailure500serverinternalerror501cannotbeimplemente

6、d:SIPcallmethodcannotbeimplementedhere502impropergateway503serviceisnotavailable504servertimeout505doesnotsupportthisversion:theserverdoesnotsupportthisversionoftheSIPprotocol513messagetoolong6xx=globalfailure600busyeverywhere603refusal604nowheretoexist606isnot

7、availableCodedetail:SIPprotocolreplycodeResponsecodeTheresponsecodecontainsandextendstheHTTP/1.1responsecode.NotallHTTP/1.1responsecodesareproperlyapplied,butonlyinthefoldisappropriate.OtherHTTP/1.1replycodesshouldnotbeused.And,SIPalsodefinesanewresponsecodefam

8、ily,6xx.1temporaryresponse1XXThetemporaryresponse,thatis,themessagenatureoftheresponse,indicatesthattheserverisprocessingtherequest,andhasnotdecidedthefinalresponse.Iftheser