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  1. HTTPS Certificate renewal Failed

    Thanks NickD_3CX After doing "Refresh License Information" and restarti, it sill happens again. My installatiion based on Windows Please kindly help, some client can not receive call

  2. HTTPS Certificate renewal Failed

    Dear All System keep sending error log below, after recently updated our yearly maintenance support. Please help. HTTPS Certificate renewal Failed - Error: IpUpdater.FqdnGenerationException: Can not create FQDN in 600 seconds at...

  3. 3cx softphone logo

    Dear All We pay annual support for 250 user's Is there any way to change the 3CX logo at softphone client ? Please inform, thanks before regards Reza

  4. 3CX <> Panasonic KX-TDE600

    Dear Forum Our office having 2 PBX system, 3cx for mobile communication and Panasonic KX-TDE600 (latest firmware), This Panasonic, provide outgoing call to PSTN We try to integrate this with two method, and each have problem that need to resolve. 1. 3CX SIP Trunk <> Panasonic IPGW With this...

  5. unauthorized register

    Dear Cobalit Noted with thank's Not much configuration tuning in our system We just simply add user, add trunk and external address book. Yes, we publish the extension to Internet for our mobile internet user's

  6. unauthorized register

    Dear Forum This day our system log full with unknown call to unknown destination. It seem someone already registered with fake user and make that call. This are output from the call log. =================================================== 01/09/2017 8:48:13 AM (@(Ln.20000@JAKARTA HQ))...

  7. Solved IPhone IOS version

    Dear Forum Can we install or update 3CX for Iphone latest version (15.2.x) in IOS version 9 ? I do not want to upgrade to IOS version10 for compatibility and reliability reason. Please kindly help regards Reza

  8. Conference Call Problem

    Dear All We still unable to have audio concall with external contact's, but OK with 3CX extension. How to make it work ? regards Reza

  9. G279 Codec

    Hi; FYI; we're using GSM right now, but voice quality are so poor while connected to 2G/Edge data connection. May we know timeline release for this feature ?

  10. G279 Codec

    Dear Forum Found that the best codec available in 3CX for minimal bandwidth utilization are G729. We use v. 15.0.0 Pro with 16 channel G729 available. We have mobile user that must do call over the Internet with only 4-30 Kbps b/w available With 3CX app. installed in user smartphone, how can...
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