Message type: PROGRESS
Significance: global
Direction: both

Information element

Reference (subclause)

Direction

Type

Length

Protocol discriminator

4.2

Both

M

1

Call reference

4.3

Both

M

2-*

Message type

4.4

Both

M

1

Bearer capability

4.5

Both

O (Note 1)

4-12

Cause

4.5

Both

O (Note 2

2-32

Progress indicator

4.5

Both

M

4

Display

4.5

n ® u

O (Note 3)

(Note 4)

High layer compatibility

4.5

Both

O (Note 5)

2-5

NOTES

1. The Bearer capability information element is included when the procedures of 5.11 for bearer capability selection apply. The Bearer capability information element indicates the bearer service now being used for the call.

2. Included by the user or the network to provide additional information concerning the provision of in-band information/patterns.

3. Included if the network provides information that can be presented to the user.

4. The minimum length is 2 octets; the maximum length is network dependent and is either 34 or 82 octets.

5. The High layer compatibility information element is included when the optional procedures of 5.12 for high layer compatibility selection apply. The High layer compatibility information element indicates the high layer compatibility now being used for the call.