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  1. Android app is ringing while another call

    Hello. When I speaking during cellular call and someone is calling me via 3cx I hear a ring right towards my ear))) Is there a setting that makes 3cx beeping instead of ringing during a call? I'm using Xiaomi 11t pro with Android 12. Latest app from play store.
  2. Irregular encoding at switchboard

    Hello Contacts at 3CX are stored with UTF8 (I guess) Hardware phones show information about party correctly Main window of 3CX client (mac os) also show names correctly But switchboard has issue: This contact has this name (at PBX admin interface)
  3. Problem with clients (Android and IOS)

    I've found that TLS/SRTP with Tunnel gives bigger delay to voice then tunnel-less configuration. I cannot understand why.
  4. Problem with clients (Android and IOS)

    Thank you for reply. First of all I'm using last release of 3cx at Debian9 I did it. And now everything works fine. We need some time for tests. I've modified original /var/lib/3cxpbx/Bin/startup script BUT! Clean install of 3cx contains these rules. Also firewall check tool at 3cx (at...
  5. Problem with clients (Android and IOS)

    Is it correct to modify /var/lib/3cxbx/Bin/startup script and replace -A INPUT -p tcp -m multiport --dports 9000:9398 -j ACCEPT -A INPUT -p udp -m multiport --dports 9000:9398 -j ACCEPT -A INPUT -p tcp -m multiport --dports 10600:10998 -j ACCEPT -A INPUT -p udp -m multiport --dports 10600:10998...
  6. Problem with clients (Android and IOS)

    It seems that something wrong with documented port range at firewall for 3CX [395991.297114] iptables denied: IN=ens192 OUT= MAC=00:50:56:a0:44:23:e8:b7:48:cb:e9:7f:08:00 SRC=176.226.x.y DST=37.75.x.y LEN=106 TOS=0x00 PREC=0x00 TTL=58 ID=47153 PROTO=UDP SPT=33782 DPT=9519 LEN=86 [395991.297817]...
  7. Problem with clients (Android and IOS)

    Hello. I've noticed issue. 3cx server runs at Debian9 with public IP. Firewall tests are OK LAN phones use SIP/TLS and SRTP mobile phones are configured for SIP/TLS, SRTP and Tunnel Systems operates correctly except sound disappears after several days up at mobile clients LAN phones at the...