SIP information element values

Some of the SIP IEs have predefined values. The following tables specify the SIP IE and list these values:

SIP_IE_SDP_MEDIA_TYPE

SIP IE

Decimal value

SDP_MEDIA_TYPE_AUDIO

1

SDP_MEDIA_TYPE_NAS

2

SDP_MEDIA_TYPE_VIDEO

3

SDP_MEDIA_TYPE_APP

4

SDP_MEDIA_TYPE_DATA

5

SDP_MEDIA_TYPE_IMAGE

6

SDP_MEDIA_TYPE_CONTROL

7

SIP_IE_SDP_MEDIA_PORT

SIP IE

Value

SIP_IE_SDP_MEDIA_PORT_ANY

1*

SIP_IE_SDP_MEDIA_PORT_NOTSET

2*

SIP_IE_SDP_MEDIA_PORT_IGNORE

3*

Actual port number

Numeric value

* These values do not correspond to port numbers.

SIP_IE_SDP_MEDIA_PROTOCOL

SIP IE

Decimal value

SDP_MEDIA_PROTOCOL_RTP

1

SDP_MEDIA_PROTOCOL_LOCAL

2

SDP_MEDIA_PROTOCOL_ATM

3

SDP_MEDIA_PROTOCOL_UDP

4

SDP_MEDIA_PROTOCOL_TCP

5

SIP_IE_SDP_ENCODING

For SIP_IE_ENCODING, see RFC 1890 for the assigned encodings. The following table lists some typical values:

Encoding method

Value

G711 mu-law

0

G711 A-law

8