no service

  1. Hotdesking phones not allowing sign in

    Hello, I've got a location that has quite a few Yealink T27G's that are having problems that we think might be provisioning related. All of the phones get no service and have a "Default password error". Changing the password gets rid of the password error, but it still gets no service. We've...
    • A_Criminal
    • Thread
    • hot desk hot desking hotdesk hotdesking hotdesking broken no service t27g yealink yealink t27g
    • Replies: 1
    • Forum: Yealink

  2. Remote phone keep going to no service

    I have several remote Yealink T42S phones connected to the internet using Yealink wireless adapters. They are all configured the same way using direct SIP (STUN - remote). However, one phone recently started losing service. This issue began when the client's ISP changed their router. I noticed...
    • dza
    • Thread
    • no service remote connection remote ip phone
    • Replies: 2
    • Forum: Yealink
  3. Leo_B

    Phones behind SBC displayed 'No service', resolved by PBX reboot. What's happened?

    Well, this Friday I woke up because of the customer's phone call. It was reported that office phone system has stopped working. I checked the one, no alarms in the Dashboard, all trunks are okay, SBC up and running, yet office phone show 'No service' status. Resolved the problem by restarting...
  4. HFH-Digerati

    Solved Yealink T48S says "No Service"

    Hello, I'm having some issues getting this Yealink T48S connected/provisioned and would like everyone's thoughts. It just says no service...I've read through quite a bit of documentation and still can't get it going. The extension is currently setup as 106 and is displaying under the...
    • HFH-Digerati
    • Thread
    • no service provisioning yealink t48s
    • Replies: 17
    • Forum: Yealink

  5. Solved T48S won't register, but appears in phones list

    I have a small 3CX system with a couple of Yealink T48S phones connected. 3CX runs in AWS and the two T48S phones are in two different locations. Each location has a Raspberry Pi running SBC. One of the T48S phones is still working properly. The other phone will no longer register. I've...
    • Brad Coats
    • Thread
    • no service phone registration registration failed registration status t48s yealink
    • Replies: 5
    • Forum: Phone System / PBX
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