Dear Product Manager, We have heard that you are interested in Telecommunication products,I am writing to you to establish long-term trade relationship with your company. We specializes in developing and manufacturing IP-PBX products and is committed to the distribution of new generation technology products in the field of enterprises' communications.Our products ----IPPBX is high quality and competitive price,and it has series of version.And our products support PSTN, ISDN, GSM and VoIP trunks with FXS / FXO / PRI (E1) ports, and so on.We also produce Fax Server and GSM Gateway,which is also very hot all over the world. Looking forwards to your reply. Best regards. 2012-02-20 If you would like to receive our newsletters to get more idea of our products, please click here to subscribe; Don't want to receive these newsletters anymore? unsubscribe.