We installed an update last night, and found that half our customers would lose registration after about a minute. Packet capture shows that the phone sends the keep-alive (an options packet), gets back a SIP 481 no subscription, then immediately deregisters. Turning off keep-alive fixes the problem. No contact with Digium yet, figured I'd ask if anyone else has seen it, and also warn everyone. -- Carlos Alvarez TelEvolve 602-889-3003