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Reply To: Dual-rate TRX


Hi Paul,
Its a typical Alcatel Problem. Actually there are 3 sorts of ABIS configurations different vendors use
1. ABIS is also Halfrate capable and as HR is enabled on the cell, HR also gets activated for ABIS.
2. ABIS is not HR capable and if you define HR then you have to add additional Abis respources.
3. ABIS Allocation is dynamic here both of the above are applicable but there might be cases where there is no TCH congestion on the cell but calls are rejected due to ABIS level congestion.

Alcatel uses fixed configuration (2nd option) so you have to configure a TS on Abis for each TS on Radio and for HR enabled since Abis is not HR capable then you have to add additional ABIS.