A DSS1 CALL PROCEEDING üzenet

This message is sent by the called user to the network or by the network to the calling user to indicate that requested call establishment has been initiated and no more call establishment information will be accepted.

Information elementDirectionTypeLengthNote
Protocol discriminatorBothM1
Call referenceBothM2-*
Message typeBothM1


Bearer capability
4.5
Both
O (Note 5)
4-12
Channel identification
4.5
Both
O (Note 1)
2-*
Progress indicator
4.5
Both
O (Note 2)
2-4
Display
4.5
n  ®  u
O (Note 3)
(Note 4)
High layer compatibility
4.5
Both
O (Note 6)
2-5
NOTES
1       Mandatory in the network-to-user direction if this message is the first message in response to a SETUP message. It is mandatory in the user-to-network direction if this message is the first message in response to a SETUP message, unless the user a
 the B-channel indicated in the SETUP message.
2       Included in the event of interworking. Included in the network to user direction in connection with the provision of in-band information/patterns. Included in the user to network direction in connection with the provision of in-band information/pa
 if Annex K is implemented or in accordance with the procedures of 5.11.3 and 5.12.3.
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 Bearer capability information element is included when the procedures of 5.11 for bearer capability selection apply. When present, progress indication No. 5, interworking has occurred and has resulted in a telecommunication service change shal
 be present.
6       The High layer compatibility information element is included when the procedures of 5.12 for high layer compatibility selection apply. When present, progress description No. 5, interworking has occurred and has resulted in a telecommunication serv
ange shall also be present.