SOLVED: Syspine/Aastra interoperability issue

Breaking News! – Syspine have a revised firmware version (1.2.19) for their ATA, that we have been told will resolve the spurious DTMF tone issue that we reported here.
The update has not been released publicly, but you can get it by contacting Syspine Technical Support at 800-713-3386.

Syspine releases updated ATA firmware

Syspine has released firmware V1.2.12 for the ATA module(s) in their DOS-A50 base unit.
You can download it (along with firmware for their phones) on their download page here.
We recommend that whenever you install updated ATA module firmware, you also update the Syspine Module Page firmware to the latest version (available from the same download location).

Aastra releases updated firmware for AastraLink RP

This just came from Aastra:
Maintenance release 2.1.1.123 for AastraLink RP™ phones is now available on the AastraLink RP™ website. This release includes both performance and feature enhancements including:
• Improved “Blue button” response time (removing dialtone and ringing for blue button presses)
• CT handset improvements, including visual voicemail notifications
• DTMF support for external IVRs using Early [...]

New firmware released for AastraLink RP

Aastra has release updated firmware for their AastraLink RP phones.
The new version is 2.1.1_rp.118.
Here’s the release notes with the changes since the last public version (114):
2.1.1_rp.118
-Fix for phone freeze when answering a call as part of a group or attended transfer
-Top 2 programmable keys on the model 6753i RP specifically are now unlocked in the [...]