https://community.bt.com/t5/BT-Devices/handset-number/m-p/2450242#M34217 <P>Any idea how to change handset number on BT4600 phone. It is supposed to be able to have five on the system. I bought a replacement for a failure - handset 4 - and the new one has decided it is handset 6 and I want to to make it 4 - which has been deregistered</P> Fri, 05 Dec 2025 14:48:37 GMT nozeup 2025-12-05T14:48:37Z https://community.bt.com/t5/BT-Devices/handset-number/m-p/2450242#M34217 <P>Any idea how to change handset number on BT4600 phone. It is supposed to be able to have five on the system. I bought a replacement for a failure - handset 4 - and the new one has decided it is handset 6 and I want to to make it 4 - which has been deregistered</P> Fri, 05 Dec 2025 14:48:37 GMT https://community.bt.com/t5/BT-Devices/handset-number/m-p/2450242#M34217 nozeup 2025-12-05T14:48:37Z https://community.bt.com/t5/BT-Devices/handset-number/m-p/2450257#M34218 <P>You will have to de-register the handset and re-register and it will take up whatever number based on how many handsets are registered.&nbsp; If you have old handsets which were still registered when they were sent off or disposed of they will still have a number.<BR /><BR />Only way round that one is to factory reset the hub (which will make the username / password what it was) and re-register the handsets in the order you want</P> Sat, 06 Dec 2025 07:52:57 GMT https://community.bt.com/t5/BT-Devices/handset-number/m-p/2450257#M34218 Manatarms84 2025-12-06T07:52:57Z