Class SDP

Inheritance
System.Object
SDP
Inherited Members
System.Object.Equals(System.Object)
System.Object.Equals(System.Object, System.Object)
System.Object.GetHashCode()
System.Object.GetType()
System.Object.MemberwiseClone()
System.Object.ReferenceEquals(System.Object, System.Object)
Namespace: SIPSorcery.Net
Assembly: SIPSorcery.dll
Syntax
public class SDP

Constructors

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SDP()

Declaration
public SDP()
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SDP(IPAddress)

Declaration
public SDP(IPAddress address)
Parameters
Type Name Description
System.Net.IPAddress address

Fields

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ADDRESS_TYPE_IPV4

Declaration
public const string ADDRESS_TYPE_IPV4 = "IP4"
Field Value
Type Description
System.String
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ADDRESS_TYPE_IPV6

Declaration
public const string ADDRESS_TYPE_IPV6 = "IP6"
Field Value
Type Description
System.String
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AddressOrHost

Declaration
public string AddressOrHost
Field Value
Type Description
System.String
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AddressType

Declaration
public string AddressType
Field Value
Type Description
System.String
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AnnouncementVersion

Declaration
public ulong AnnouncementVersion
Field Value
Type Description
System.UInt64
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BandwidthAttributes

Declaration
public List<string> BandwidthAttributes
Field Value
Type Description
System.Collections.Generic.List<System.String>
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Connection

Declaration
public SDPConnectionInformation Connection
Field Value
Type Description
SDPConnectionInformation
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CRLF

Declaration
public const string CRLF = "\r\n"
Field Value
Type Description
System.String
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DEFAULT_STREAM_STATUS

Declaration
public const MediaStreamStatusEnum DEFAULT_STREAM_STATUS = MediaStreamStatusEnum.SendRecv
Field Value
Type Description
MediaStreamStatusEnum
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DEFAULT_TIMING

Declaration
public const string DEFAULT_TIMING = "0 0"
Field Value
Type Description
System.String
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DTLS_FINGERPRINT_ATTRIBUTE_PREFIX

Declaration
public const string DTLS_FINGERPRINT_ATTRIBUTE_PREFIX = "fingerprint"
Field Value
Type Description
System.String
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DtlsFingerprint

Declaration
public string DtlsFingerprint
Field Value
Type Description
System.String
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END_ICE_CANDIDATES_ATTRIBUTE

Declaration
public const string END_ICE_CANDIDATES_ATTRIBUTE = "end-of-candidates"
Field Value
Type Description
System.String
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ExtraSessionAttributes

Declaration
public List<string> ExtraSessionAttributes
Field Value
Type Description
System.Collections.Generic.List<System.String>
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Group

Indicates multiple media offers will be bundled on a single RTP connection. Example: a=group:BUNDLE audio video

Declaration
public string Group
Field Value
Type Description
System.String
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GROUP_ATRIBUTE_PREFIX

Declaration
public const string GROUP_ATRIBUTE_PREFIX = "group"
Field Value
Type Description
System.String
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ICE_CANDIDATE_ATTRIBUTE_PREFIX

Declaration
public const string ICE_CANDIDATE_ATTRIBUTE_PREFIX = "candidate"
Field Value
Type Description
System.String
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ICE_LITE_IMPLEMENTATION_ATTRIBUTE_PREFIX

Declaration
public const string ICE_LITE_IMPLEMENTATION_ATTRIBUTE_PREFIX = "ice-lite"
Field Value
Type Description
System.String
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ICE_OPTIONS

Declaration
public const string ICE_OPTIONS = "ice-options"
Field Value
Type Description
System.String
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ICE_PWD_ATTRIBUTE_PREFIX

Declaration
public const string ICE_PWD_ATTRIBUTE_PREFIX = "ice-pwd"
Field Value
Type Description
System.String
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ICE_SETUP_ATTRIBUTE_PREFIX

Declaration
public const string ICE_SETUP_ATTRIBUTE_PREFIX = "setup"
Field Value
Type Description
System.String
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ICE_UFRAG_ATTRIBUTE_PREFIX

Declaration
public const string ICE_UFRAG_ATTRIBUTE_PREFIX = "ice-ufrag"
Field Value
Type Description
System.String
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IceCandidates

Declaration
public List<string> IceCandidates
Field Value
Type Description
System.Collections.Generic.List<System.String>
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IceImplementation

Declaration
public IceImplementationEnum IceImplementation
Field Value
Type Description
IceImplementationEnum
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IcePwd

Declaration
public string IcePwd
Field Value
Type Description
System.String
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IceRole

Declaration
public IceRolesEnum? IceRole
Field Value
Type Description
System.Nullable<IceRolesEnum>
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IceUfrag

Declaration
public string IceUfrag
Field Value
Type Description
System.String
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IGNORE_RTP_PORT_NUMBER

Declaration
public const int IGNORE_RTP_PORT_NUMBER = 9
Field Value
Type Description
System.Int32
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Media

Declaration
public List<SDPMediaAnnouncement> Media
Field Value
Type Description
System.Collections.Generic.List<SDPMediaAnnouncement>
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MEDIA_ID_ATTRIBUTE_PREFIX

Declaration
public const string MEDIA_ID_ATTRIBUTE_PREFIX = "mid"
Field Value
Type Description
System.String
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MEDIA_INDEX_NOT_PRESENT

Declaration
public const int MEDIA_INDEX_NOT_PRESENT = -1
Field Value
Type Description
System.Int32
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MEDIA_INDEX_TAG_NOT_PRESENT

Declaration
public const string MEDIA_INDEX_TAG_NOT_PRESENT = ""
Field Value
Type Description
System.String
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NetworkType

Declaration
public string NetworkType
Field Value
Type Description
System.String
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OriginatorEmailAddresses

Declaration
public string[] OriginatorEmailAddresses
Field Value
Type Description
System.String[]
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OriginatorPhoneNumbers

Declaration
public string[] OriginatorPhoneNumbers
Field Value
Type Description
System.String[]
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SDP_MIME_CONTENTTYPE

Declaration
public const string SDP_MIME_CONTENTTYPE = "application/sdp"
Field Value
Type Description
System.String
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SDP_PROTOCOL_VERSION

Declaration
public const decimal SDP_PROTOCOL_VERSION = 0M
Field Value
Type Description
System.Decimal
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SessionDescription

Declaration
public string SessionDescription
Field Value
Type Description
System.String
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SessionId

Declaration
public string SessionId
Field Value
Type Description
System.String
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SessionName

Declaration
public string SessionName
Field Value
Type Description
System.String
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TELEPHONE_EVENT_ATTRIBUTE

Declaration
public const string TELEPHONE_EVENT_ATTRIBUTE = "telephone-event"
Field Value
Type Description
System.String
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Timing

Declaration
public string Timing
Field Value
Type Description
System.String
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URI

Declaration
public string URI
Field Value
Type Description
System.String
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Username

Declaration
public string Username
Field Value
Type Description
System.String
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Version

Declaration
public decimal Version
Field Value
Type Description
System.Decimal

Properties

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Owner

Declaration
public string Owner { get; }
Property Value
Type Description
System.String
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SessionMediaStreamStatus

The stream status of this session. The default is sendrecv. If child media announcements have an explicit status set then they take precedence.

Declaration
public MediaStreamStatusEnum? SessionMediaStreamStatus { get; set; }
Property Value
Type Description
System.Nullable<MediaStreamStatusEnum>

Methods

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AddExtra(String)

Declaration
public void AddExtra(string attribute)
Parameters
Type Name Description
System.String attribute
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GetIndexForMediaType(SDPMediaTypesEnum, Int32)

Media announcements can be placed in SDP in any order BUT the orders must match up in offer/answer pairs. This method can be used to get the index for a specific media type. It is useful for obtaining the index of a particular media type when constructing an SDP answer.

Declaration
public (int, string) GetIndexForMediaType(SDPMediaTypesEnum mediaType, int mediaIndex)
Parameters
Type Name Description
SDPMediaTypesEnum mediaType
System.Int32 mediaIndex
Returns
Type Description
System.ValueTuple<System.Int32, System.String>
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GetMediaStreamStatus(SDPMediaTypesEnum, Int32)

Gets the media stream status for the specified media announcement.

Declaration
public MediaStreamStatusEnum GetMediaStreamStatus(SDPMediaTypesEnum mediaType, int announcementIndex)
Parameters
Type Name Description
SDPMediaTypesEnum mediaType

The type of media (audio, video etc) to get the status for.
System.Int32 announcementIndex

THe index of the announcement to get the status for.
Returns
Type Description
MediaStreamStatusEnum

The media stream status set on the announcement or if there is none the session. If there is also no status set on the session then the default value of sendrecv is returned.
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GetSDPRTPEndPoint()

A convenience method to get the RTP end point for single audio offer SDP payloads.

Declaration
public IPEndPoint GetSDPRTPEndPoint()
Returns
Type Description
System.Net.IPEndPoint

The RTP end point for the first media end point.
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GetSDPRTPEndPoint(String)

A convenience method to get the RTP end point for single audio offer SDP payloads.

Declaration
public static IPEndPoint GetSDPRTPEndPoint(string sdpMessage)
Parameters
Type Name Description
System.String sdpMessage

A string representing the SDP payload.
Returns
Type Description
System.Net.IPEndPoint

The RTP end point for the first media end point.
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ParseSDPDescription(String)

Declaration
public static SDP ParseSDPDescription(string sdpDescription)
Parameters
Type Name Description
System.String sdpDescription
Returns
Type Description
SDP
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RawString()

Declaration
public string RawString()
Returns
Type Description
System.String
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ToString()

Declaration
public override string ToString()
Returns
Type Description
System.String
Overrides
System.Object.ToString()

Extension Methods