We are pulling out a PRI and going with a VCM to SIP so its mainly just for dial-tone. Their on-site phones are all digital 5410/5420
and they are currently running 4.1 so we are going to upgrade them to 6.0 so we dont have to buy licenses for he VCM, but I dont know if I need to buy licenses on the Voicemail to upgrade it or if the upgrade is free?????
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