Try to disable mod_voicemail and see if that helps.
unload mod_voicemail
Br, Zvonimir
From: FreeSWITCH-users <freeswitch-users-bounces@lists.freeswitch.org>
On Behalf Of Aidar Kamalov
Sent: Monday, December 7, 2020 8:41 PM
To: FreeSWITCH Users Help <freeswitch-users@lists.freeswitch.org>
Subject: [Freeswitch-users] disable NOTIFY message
Hello,
is it possible to disable NOTIFY messages from freeswitch to external sip profile?
NOTIFY sip:aaaa@aaaaaaa;intercom=true SIP/2.0
....
Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, REFER, NOTIFY
Supported: timer, path, replaces
Event: talk
Allow-Events: talk, hold, conference, refer
Subscription-State: terminated;reason=noresource
Content-Length: 0
--
Aydar A. Kamalov