I have a problem with WiFi phone SMT W5100 that when it goes out of range and come back it doesn't connect automatically - have to restart phone or manualy choose system. There is OS500 and SMT R2000 Access point. Phone SW version is 1.6.4. I have tested a phone with same version on R2000 and OS7200 and it works fine - gets signal as soon as it gets back in range. Different PBX shouldn't be the reason for problem... Any ideas?

what is the handover threshold. You might want to increase it.

Treshold value is default 70. On the other system with same setting works ok. Should I raise the value anyway?

I honestly didn't know a OS500 supported the smt wireless phone. I think that may be your issue.

The os500 supports the smt-w5100 only