So I have this older 200ICP, it is 2 buildings where long-term medical patients stay (like transplant patients who no longer need to be hospitalized but can't go home yet)... with a mix of IP and analog devices.
Anyway, in the main building there are IP phones for admin extensions, 5340's and 5312's, with analog extensions for the rooms, and everything works fine. Across the street on a P2P wireless network connection there is another guest building but all the room phones are 5304's and a handful of 5312's in some office/common areas. The problem is the 5304 phones cannot dial 911/9911/8911, but all other phones in the system can, nothing shows in the display just "911" or "9911". Same COS, COR, and Tenant, and they are not using Outgoing Call Restriction, the ARS digits are correct, are flagged as Emergency numbers, and there are no COR groups assigned to those routes.
I am frankly perplexed, several phones with exactly the same Tenant, COR, and COS, are dialing the same string of digits, and it works for all device types except 5304 sets?!?!? I am no slouch in the 200 and have been installing and maintaining them since 1991, so I thought I know them pretty well, but what am I missing?
They are currently on 5.0.0.4 software, so I was thinking of upgrading them to 5.0.2.12, or possibly just going in and doing a database backup and restore.... Thoughts?