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Michael ThomasAug 27, 2025
Why does my Siemens HiPath 4000 Telephone say 'Connect. No dial tone available'?
- WWalter RossAug 27, 2025
If your Siemens Telephone displays 'Connect. No dial tone available' immediately after pressing the Talk key, it means calls cannot be made because the communication system is currently in use by other users. Please try your call again later.