Dear Tom,
I think there is some misunderstanding. Our tender included M&E addendum 2 of 8 September 2015 (as told by Khun Meechai) which was of analogue PABX and telephone system (as advised by Khun Veera). Please see the attached drawings. We knew at that time that the system would be changed to digital system but the ME49 design had not been updated, and that’s why Kurihara could only tender on the analogue system.
We have not received any design regarding the IP telephone system from ME49 after the tender awarded to Kurihara. The RFP-No.41 sent to us did not have any technical information about the IP PABX equipment.
Below is the tender drawing list.