Where those exchanges had markers, for example in the British TXK or the Ericsson ARM, they were simpler, the digit translation jobs that were added to Bell System markers being handled by other equipment.
They were simpler. Simpler was the digit translation jobs. These digit translation jobs were added to Bell System markers. These Bell System markers were being handled by other equipment. Those exchanges had markers. This was for example in the British TXK. This was for example in the Ericsson ARM.