T46G firmware upgrade causes problems

[Karl_Yealink]

From your description, here are two problem of your phones.
1. Tranfer from T46 to W52P is unvalid.
2. The BLF can't work when T46G monitor the W52P.
Is it right? Is there other problem?

And here are something want to confirm with you.
1. If the tranfer from the W52P to T46G, can it work?
2. Sugget that you can reset the phone and test again. But you need to register again after reset.

If the issue still persist, please help us get the PCAP and syslog and config.bin files. We can check something from them.
You can get more info from the link: http://forum.yealink.com/forum/showthread.php?tid=1319 

Please help us to capture the files for two problem respective.
You can email the files to me(karl@yealink.com), if you don't want the files to be publiced.
Please add the link of the post in the email.