Category Archives: Support

Unify (Siemens) OpenStage 15, 20, 40, 60, 80 End Of Support

Dear NFON customers, We would like to inform you that the manufacturer’s Redirect Service has been discontinued for Unify OpenStage phones 15, 20, 40, 60 and 80. Currently Unify Openstage phones can only be provisioned manually by entering the provisioning … Continue reading

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[BUG] Malfunctioning Yealink firmware 84.0.28

Dear NFON customers, we would like to inform you that an error was found in the Yealink firmware 84.0.28. Due to this error in very rare cases the phone can lose the network connection. Therefore, we have removed the firmware … Continue reading

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Changes for unprovisioned SIP devices

Dear NFON customers, we would like to reiterate that from September 2018, the server zreg.nfon.net or the IP address 109.68.96.128 is no longer available for unprovisioned SIP devices. Please use the following individualised server in the future: K-number.reg.cloud-cfg.com (e.g. K1234.reg.cloud-cfg.com) … Continue reading

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Firmware Versions in the Service Portal

Dear NFON customers, due to possible problems with the firmware downgrade and also to be able to use all functions of your phone optimally, please use only the latest firmware versions. Older firmware versions that are no longer supported by … Continue reading

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Snom Firmware 8.9.3.x

Dear NFON customers, due to changed memory management in the firmware 8.9.3.x in snom telephones, the manufacturer does NOT recommend a downgrade to a firmware lower than 8.7.5.44, otherwise problems may occur if you try to upgrade again. See the … Continue reading

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