Firmware for DP752/750/760/730/722/720 released as official



Dear Grandstream Customers,

Firmware for DP752/750/760/730/722/720 is now released as official. Here is the link to the release notes:

The firmware and release notes can be downloaded from:

Please contact us should you have any issues. Thank you for your support for Grandstream products.

Technical Support
Grandstream Networks, Inc.



Hi, I’m having a problem with this firmware as the substitution syntax below is not working:


I’ve downgraded to and the syntax above resumed working.

I also tried the beta version with no luck. Could you check that, please? Meanwhile I’ll be using

Thank you!!!


Thank you @mmacedo, we reproduced this issue in our lab, we will add a new test case in future to avoid this from happening again.
Will fix it in next release.