I also have same problem, i can see the calls comin from vocaltec to quintum D3000 with packetsaver enabled. Then quintum trying to use it but fais due to incompatibility.
Are there any D3000 sys.bin firmware found with PacketSaver dissabled or any DSP option there to dissable it. I am searching the site but no able to find any firmware which have option ti dissable Packet Saver in D3000…
-Pethum