Yes, the package vitalpbx is kept back with a regular upgrade. This seems to be caused because the new version of the vitalpbx package has new dependencies. It will remove systemd-timesyncd in favor of the ntp package. Wonder why the change was done.
apt install vitalpbx
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
The following additional packages will be installed:
ntp
Suggested packages:
ntp-doc
The following packages will be REMOVED:
systemd-timesyncd
The following NEW packages will be installed:
ntp
The following packages will be upgraded:
vitalpbx
1 upgraded, 1 newly installed, 1 to remove and 0 not upgraded.
Need to get 14.7 MB of archives.
After this operation, 1,998 kB of additional disk space will be used.