Voip audio gateway with 2 FXS,can be logined in two different platforms ,and dial up simultaneously. Inside Rooter/NAT, gateway and DMZ Port transmit; Support passing through and T38 fax, voice restrain and jerquers, CNG, echo restrains (G.168), AGC, and DIGEST using MD5 and MD5-sess; Currency: USD Unit Price: 45 Quantity: 500 Delivery: a.30% deposit should be paid in Cash in USD through T/T (wired transfer through bank) within 7 (seven) days to the Seller’s appointed account after the both parties sign the contract. The deposit can not be refunded once it is paid by the Buyer. b.The rest 70% payment is due to be paid in Cash in USD through T/T (wired transfer through bank) to the Seller’s appointed account within 7 (seven) days when the Seller give notice to the Buyer via Fax or mail that the commodity is ready to shipment. c. Confirmation of the collection amount: Subject to the final amount that be collected by Seller’s account.