cisco spa504g

  1. Cisco SPA504G Registration Failed Error 480 After V16 to V18 Upgrade

    I wanted to update my earlier thread with the same title, to advise the resolution. But as that thread is now locked, I am creating this new thread. The text of my message posted to the original thread is included below, after the resolution. RESOLUTION It transpired that this particular phone...

  2. Cisco SPA504G Registration Failed Error 480 After V16 to V18 Upgrade

    Two years ago, I used the info at https://www.3cx.com/sip-phones/cisco-spa/ to successfully provision a SPA504G phone using a custom template. Subsequently this phone has worked consistently with 3CX version 16. However, after upgrading to V18, registration failed for each of the phone's four...
    • Dave Williams
    • Thread
    • cisco spa504g custom template error 480 phone registration registration failed spa504g template programming v18 ver18 version 18
    • Replies: 1
    • Forum: Other

  3. Cisco Phones - SPA504G - not able to reprovision after network blip (Auto or Manual)

    Hi All, We had a network blip and our cisco phone lost configuration and we are not able to reprovision them. We followed the normal auto reprovisioning step of factory resetting the phones and putting IP address in webbrowser to send provisiong settings, it show the regular page that state...

  4. Cisco SPA504G - not connecting or establishing a connection after network blip

    Hi 3CX Community!, We have a mix phone envirorment were we use Yealink phones and Cisco SPA504G with firmware 7.6.1. I am facing an issue that our Cisco phones are not connecting or establishing a connection with 3CX after there is a short internet outage that lasts sometimes less than 1...
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