Download DERT UNIFY for RECOVERY OPENSTAGE
The DERT tool is only for repairing a broken phone OPENSTAGE Siemens/Unify, a phone that does not initialize for example.
EXAMPLE:
Phones OPENSTAGE does not initialize after attempting to switch from OPENSTAGE HFA to OPENSTAGE SIP.
with DERT you can recover your Openstage that does not initialize, you can repost to the SIP or HFA protocol.
https://freepbxsoftware.blogspot.com/...