[3.01] A problem is corrected where swapping two IP extension numbers in programming would cause a one-way audio path..
Reference: A090701004
[3.01] A correction is made in this version to prevent an IP keyset from becoming stuck in the Connecting to DSX state. The keyset will now automatically de-register so the connection process can begin again.
Reference: A090615002
[3.01] This software version corrects a memory utilization problem that would cause IP performance to continually degrade under heavy traffic. The system would have to be reset to clear the problem.
Reference: A090609006