1 EXHIBIT 10.26 REDSTONE COMMUNICATIONS, INC. PURCHASE ORDER - ----------------------------------------------------------------------------------------------------------------------------------- SUPPLIER NAME Siemens Telecom Innovation Centre P.O. NUMBER ADDRESS 505 March Rd. Kanata, Ontario, Canada PAYMENT TERMS Net 30 K2K-2M5 CONTACT Paulo Lima TELEPHONE FAX (613) 591-8731 - ----------------------------------------------------------------------------------------------------------------------------------- BILLING/SHIPPING Redstone Communications, Inc. REQUESTER Stephen Van Seters ADDRESS 5 Carlisle Road (978) 692-1999 x127 Westford, MA 01886 DEPT. NUMBER Engineering (300) CONTACT Lisa Falcone DATE REQUESTED 9/20/99 (978) 692-1999 x110 DATE REQUIRED 10/1/99 - ----------------------------------------------------------------------------------------------------------------------------------- ITEM QTY DESCRIPTION PRODUCT NUMBER NUMBER UNIT PRICE TOTAL - ----------------------------------------------------------------------------------------------------------------------------------- 1 10 Contract years (DPY) for development of IPSEC 300-72000 $120,000.00 $1,200,000.00 Development includes: Hardware design and debug of a encryption server card for the ERX Engineering and manufacturing diagnostic development for server card Development of all operational software for the server card Development of all platform independent SRP IPSEC software Development of all CLI commands and SNMP MIBs for IPSEC Development of test plans and test scripts for all software developed Full SQA of all software developed Product will be ready for full production release in Sept. 2000 TOTAL $1,200,000.00 - ----------------------------------------------------------------------------------------------------------------------------------- SIGNATURE DATE - --------------------------------------------------------------------------------- REQUESTOR - --------------------------------------------------------------------------------- DEPARTMENT MGR. - --------------------------------------------------------------------------------- DEPARTMENT V.P. - ---------------------------------------------------------------------------------