For a limited time, Dialogic customers and solution providers can take advantage of a trade-up offer from Dialogic which provides both a cash rebate up to $2500 and a 12 month complimentary service plan for each new Dialogic® T1/E1 Telephony Board or Dialogic® T1/E1 Media Gateway, when customers elect to replace legacy T1/E1 Telephony Boards of comparable span density or greater. Offer available from March 15, 2010 to September 30, 2010. For more informaiton, check out the following link: https://www.dialogic.com/landing/tradeup.htm