Class Origin

Class for processing the Origin "o=" SDP line. See Section 5.2 of RFC 4566.

Inheritance
object
Origin
Inherited Members
Namespace: SipLib.Sdp
Assembly: SipLib.dll
Syntax
public class Origin

Constructors

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Origin(string, IPAddress)

Constructs a new Origin object from parameters provided by the caller.

Declaration
public Origin(string strUserName, IPAddress Addr)
Parameters
Type Name Description
string strUserName

Display version of the user name.
IPAddress Addr

IP address or domain name of the user's position

Fields

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Address

IP address. May be an IPv4, an IPv6 address or a fully qualified domain name.

Declaration
public string? Address
Field Value
Type Description
string
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AddressType

Address type field. Should be "IP4" or "IP6".

Declaration
public string AddressType
Field Value
Type Description
string
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NetworkType

Network Type field. Example: "IN" for Internet.

Declaration
public string NetworkType
Field Value
Type Description
string
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SessionId

Session ID field.

Declaration
public string SessionId
Field Value
Type Description
string
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UserName

User name field.

Declaration
public string UserName
Field Value
Type Description
string
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Version

Version field.

Declaration
public long Version
Field Value
Type Description
long

Properties

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VersionNumber

Gets or sets the version number in the SDP Origin as an integer.

Declaration
public long VersionNumber { get; set; }
Property Value
Type Description
long

Methods

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ParseOrigin(string)

Constructs a new Origin object from a string. Use this constructor for parsing the origin string received in the SDP contents of an SIP message.

Declaration
public static Origin ParseOrigin(string strOrigin)
Parameters
Type Name Description
string strOrigin

The format of this string is: "UserName SessionId Version NetworkType AddressType Address".
Returns
Type Description
Origin

Returns a new Origin object.
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ToString()

Returns the fully formatted Origin string for a SDP message block. The format is : o=Origin where Origin is the contains each parameter separated by a space.

Declaration
public override string ToString()
Returns
Type Description
string

Returns a full origin line. The format is: o=UserName, SessionId, Version, NetworkType, AdddressType Address\r\n
Overrides