There is NO CHARGE for this upgrade when implementing Clearfly SIP trunks from TSIowa. This system upgrade, combined with Clearfly SIP trunks, would allow you to take advantage of a number of Mobility options, Unified Messaging, Direct Inward Dialing and the cost savings that typically goes along with the use of SIP trunks.  

Cedar Rapids 319-393-0585

Call Mark or Brett... 

Samsung Software Update