ver18

  1. 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
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