Voicemail not working

[waffle-stomper]

Voicemail cannot be accessed from SCCP clients. I'm not sure if this is caused by chan_sccp, sccp_manager, or if I've made some mistake during installation.

chan-sccp version: Release 4.3.5 develop - commit c1533a6b5ab5aa77fd55f432884a56d1c9601588

sccp_manager version: v14.5.0.4

asterisk version: 18.11.0

freepbx version: 16.0.17

Reproduction Steps:

1. Install the FreePBX 16 distro with Asterisk 18
2. Install chan_sccp from source
3. Install SCCP Manager from a release zip
4. Add a new extension in SCCP Manager, with Voicemail enabled, no password, and 'Require From Same Extension' set to 'No'
5. Add a new phone and assign it the extension you created
6. On the newly added phone, dial *97 or press the dedicated 'Messages' button

Expected behavior:

User should be automatically be logged into voicemail and hear that they have no new messages.

Observed behavior:

I hear the following:

"Comedian Mail"
<long pause>
"Password"
<pause>
"Login incorrect"

It doesn't matter if a password is set/not set, entered/not entered after the password prompt, or if 'Require From Same Extension' is set to Yes or No in SCCP Manager.

Additional / Optional Information:

• Voicemail works as expected for SIP clients.
• I have an older machine running chan_sccp Release: 4.3.4 develop - b0b3cdb and SCCP Manager 14.0.0.2 where voicemail works perfectly.

Log files: https://gist.github.com/waffle-stomper/53f86f8862c098cc6fdc0e3808f16f09#file-sccp_not_working-txt-L8-L9

I believe the issue is related to CALLERID and AMPUSER not being set (lines 8 and 9 in sccp_not_working.txt in the above gist).
When I access voicemail from a SIP client (second file in the gist), these parameters are set.

Thanks for all of your hard work on this project!

[tom1422]

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