Essential Phone Quad K55-F91 - Answering Machine Timestamps Not Working

madamthur — Sat, 12 Sep 2026 12:39:43 GMT

Hi. I have four BT K55-F91 cordless phones, including a base unit with a built-in answering machine. I've set it to answer after five rings so that it takes precedence over BT Voicemail (1571).

The phone works as expected for incoming and outgoing calls. We are able to receive messages, but these never have timestamps i.e. the exact date/time the call was received. This is very inconvenient, especially if we have been away for a few days and want to check messages on our return.

I have set the correct day, month, year and exact time. This does not make any difference.

I've phoned BT, who said they thought there might be a problem with our digital line. I received a text message this morning to say "Everything is working again". It isn't. I've called the landline from my mobile and left a message. Still no timestamp. I'm starting to wonder if the K55-F91 doesn't have this feature?

I'd be very grateful if anyone could offer any advice/suggestions regarding this.

Many thanks

Matt

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Essential Phone Quad K55-F91 - Answering Machine Timestamps Not Working