Reference Manual

Call Control
Timing Advance Required
Normal Assignment /GSM 08.58:4.1/
The optional elements for Normal Assignment are:
Encryption Information Optional
Handover Reference Rejected
Timing Advance Required
SACCH Information Optional
If the parameter SACCH Information is present, the contents will be
used for this channel group instead of the information received in the
SACCH FILLING INFORMATION MODIFY procedure described in
Broadcast.
Asynchronous Handover /GSM 08.58:4.1/
The optional elements for Asynchronous Handover are:
Encryption Information Optional
Handover Reference Required
Timing Advance Rejected
SACCH Information Optional
If the parameter SACCH Information is present, the contents will be
used for this channel group instead of the information received by the
SACCH FILLING INFORMATION MODIFY procedure described in
Broadcast.
Multislot configuration (secondary channels) /GSM 08.58:4.1/
The activation for the multislot configuration procedure is in accordance
with /GSM 08.58:4.1/.
Encryption Information Optional
SACCH Information Optional
If the parameter SACCH Information is present, the contents will be
used for this channel group instead of the information received in the
SACCH FILLING INFORMATION MODIFY procedure described in
Broadcast.
The function is initiated when a CHANNEL_ACTIVATION /
GSM 08.58:4.1/ message is received from BSC.
Packet Channel
The following actions are taken by the RBS:
• Start scheduling the PDCH multiframe on Air interface. No
power is transmitted (except for PTCCH downlink) and no
LAPDm links are inititated.
• Initiate establishment of GSL.
• Send CHANNEL_ACTIVATION_ACKNOWLEDGE to BSC.
EN/LZT 720 0008 R1A
2001-06-26
193 (421)
© Ericsson Radio Systems AB
— All Rights Reserved —