Hello Thipsuda,
You put me in difficult situation especially your use of the license as interim for support plan issue.
I can only approve on new customer, please prepare a new PO for the evaluation and must be with good prospect on end user not DHL.
If you need 8 then you need 4x below
S-CPRFPGDDCFOIP30 RightFax Document Delivery Channel - FoIP
enabled - Customer Evaluation Edition
Additional document delivery channel for RightFax Servers. Includes SR 140 FoIP for a
single channel. For use only with Customer Evaluation editions of RightFax 10 systems
And I must reiterate you need to aware
i)evaluation not allow to be put on any production system and it will violate EULA (end user agreement)
ii)no extension allowed