t48g

  1. Provision Issues - Yealink

    Can I get some help. We are trying to provision our Yealink phones to 3CX and have followed the instructions and videos that are out there, but it is still not working. We did manage to change a phone to have the 3CX background and have some of the information, but it still has no service and...

  2. IP Phones are registering to 3CX on Lightsail with Class C, Internal IP 192.168.x.x

    We are facing this intermittant issue that the IP phones register to our 3CX systems hosted on lightsaail with an internal IP. 192.168.x.x or 10.x.x.x. However some phones can register propertly with the public IP. The ones with Public IP we can provision remotely and also send firmware...

  3. firmware

    Why is my 3cx showing this: Yealink SIP-T48G Not Supported 35.83.0.55 this is the same i can download from https://www.3cx.com/support/phone-firmwares/ if i try to get it and upload to phone, is shows error, from the phone.
  4. stoellchen

    Solved T48G Provisioning and register Account

    Hello together I have some problems and questions concerning registering accounts with a yealink SIP-T48G. I've installed the newest firmware on the phone: T48-35.82.0.30.rom I've the newest version of 3CX installed. I have 11 SIP-trunks successful working Our extinsions running with 3CX-App...
  5. jimbo59

    BLF on 48G not updating

    I'm changing the BLFs on a T48G Yealink with current firmware and they don't update. I have rebooted the phones and powered down and there is no update. Oy vey!
  6. that1guy

    Yealink T48G will not provision

    Greetings, I have a T48G that needs to be setup as a remote extension. I have an SBC in place and have confirmed I can connect back to the PBX. When running the AutoProvision from the web UI, I get the configuration message displaying for about a minute. Once "operation complete", the phone...

  7. Can't update firmware since v15.5 upgrade

    I'll use Yealink 29G for example. Phones are on 46.80.0.110. It says that 46.81.0.61 is available. If I click Firmware, it displays the phone/firmware. If I click OK, it flashes a box and then says it was successful. It's not successful. I can manually update the firmware through the...

  8. Yealink T48G Firmware Version

    I am moving my server to the cloud in v15.5, just provisioned the first Yealink T48G phone and the firmware indicates that it is Non-Supported. The "Firmware" selection pops up a screen that says the current supported firmware is 35.81.0.61. There is no ".61" firmware on the Yealink site, no...
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