Cisco SPA prepend dial patterns corrupt config file

PBX Firmware: 6.12.65-24
Asterisk 11.14.2
EndPoint Manager 12.0.0.71
SPA509G

dial pattern (<:1650>[2-9]xxxxxxS2) cause provisioning to fail reporting reason as corrupt file with commercial module. OSS works fine. Comparison of actual config files shown below:

EndPoint
<Dial_Plan_1_ ua="na"> (<:1650>[2-9]xxxxxxS2)

OSS
<Dial_Plan_1_ ua="na"> (&lt;:1650&gt;[2-9]xxxxxxS2)

Any suggestion

File a ticket at http://issues.freepbx.org