Cisco Cisco ASR 5000
Support for RAT/Frequency Selection Priority ID (RFSP-ID)
▀ Feature Description
▄ SGSN Administration Guide, StarOS Release 18
Feature Description
SGSN supports sending of the RAT/Frequency Selection Priority (RFSP ID) from subscription or a local overridden
value towards RNC BSC. The RNC/BSC use the subscribed RFSP ID or locally overridden value at the SGSN to
choose the Radio frequency. RANAP Direct transfer Extension, RANAP Common ID Extension and DL-Unitdata
message will be encoded with RFSP ID. RFSP ID is sent in Common ID message to RNC. RFSP ID is sent in DL-
Unitdata PDU and PS handover related messages to BSC. RFSP ID will also be send in BSSGP DL-UNITDATA msg
value towards RNC BSC. The RNC/BSC use the subscribed RFSP ID or locally overridden value at the SGSN to
choose the Radio frequency. RANAP Direct transfer Extension, RANAP Common ID Extension and DL-Unitdata
message will be encoded with RFSP ID. RFSP ID is sent in Common ID message to RNC. RFSP ID is sent in DL-
Unitdata PDU and PS handover related messages to BSC. RFSP ID will also be send in BSSGP DL-UNITDATA msg