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Also known as Digital Voice, the project is underway and the impact is already being seen at premises across the UK.
The UK’s analogue phone service is undergoing significant changes. PSTN lines have already started to disappear, which is affecting older signalling systems that rely on analogue lines. Over the coming months, this is set to ramp up and as soon as June 2021, over 1.2 million premises are estimated to be affected by All IP. By January 2022, this figure will rise to over 2 million.
The table below shows the priority exchanges that Openreach have confirmed will be involved in the first tranches of the project. As part of the project’s trial, Salisbury was the first area to move into the ‘stop sell’ stage in December 2020, which means no new PSTN connections are now available in this area. The next 117 exchanges will transition into this stage from June 2021, with a further 51 being added in October 2021 and again in January 2022. These, combined with Salisbury, will see 221 exchanges start to migrate to the All IP Network within the next 12 months.
If you need any more information, please contact us via sales@csl-group.com.
| Exchange Name | Exchange Location | Stop Sell Date |
| Salisbury | Wiltshire | 01-Dec-20 |
| Mildenhall | Suffolk | 04-May-21 |
| Swansea | Swansea | 29-Jun-21 |
| Dagenham | Greater London | 29-Jun-21 |
| Belfast City | Belfast | 29-Jun-21 |
| Failsworth | Greater Manchester | 29-Jun-21 |
| Kilmarnock | East Ayrshire | 29-Jun-21 |
| Wallasey | Wirral | 29-Jun-21 |
| Belfast Balmoral | Belfast | 29-Jun-21 |
| Merton Park | Greater London | 29-Jun-21 |
| Morley | Leeds | 29-Jun-21 |
| Stoneycroft | Liverpool | 29-Jun-21 |
| Walkden | Greater Manchester | 29-Jun-21 |
| Whitchurch | Cardiff | 29-Jun-21 |
| Gosforth | Newcastle upon Tyne | 29-Jun-21 |
| Headingley | Leeds | 29-Jun-21 |
| Harehills | Leeds | 29-Jun-21 |
| Eccles | Greater Manchester | 29-Jun-21 |
| Solihull | Solihull | 29-Jun-21 |
| Claughton | Wirral | 29-Jun-21 |
| Swinton | Greater Manchester | 29-Jun-21 |
| Tile Hill | Coventry | 29-Jun-21 |
| South | Bristol, City of | 29-Jun-21 |
| Stechford | Birmingham | 29-Jun-21 |
| Prestwich | Greater Manchester | 29-Jun-21 |
| Gedling | Gedling | 29-Jun-21 |
| Rock Ferry | Wirral | 29-Jun-21 |
| Whiteabbey | Antrim and Newtownabbey | 29-Jun-21 |
| Whitefield | Greater Manchester | 29-Jun-21 |
| Sherwood | Nottingham | 29-Jun-21 |
| Belfast Cregagh | Belfast | 29-Jun-21 |
| Burgh Heath | Reigate and Banstead | 29-Jun-21 |
| Gants Hill | Greater London | 29-Jun-21 |
| Sheldon | Birmingham | 29-Jun-21 |
| Belfast East | Belfast | 29-Jun-21 |
| Cantley | Doncaster | 29-Jun-21 |
| Earlsdon | Coventry | 29-Jun-21 |
| Bearwood | Birmingham | 29-Jun-21 |
| Streetly | Birmingham | 29-Jun-21 |
| Ewell | Epsom and Ewell | 29-Jun-21 |
| Cressington | Liverpool | 29-Jun-21 |
| Highbury | Birmingham | 29-Jun-21 |
| Sefton Park | Liverpool | 29-Jun-21 |
| Hatch End | Three Rivers | 29-Jun-21 |
| Harborne | Birmingham | 29-Jun-21 |
| Radclife | Greater Manchester | 29-Jun-21 |
| Trentside | Rushcliffe | 29-Jun-21 |
| Abbeyhill | City of Edinburgh | 29-Jun-21 |
| Great Crosby | Sefton | 29-Jun-21 |
| Boreham | Chelmsford | 29-Jun-21 |
| Belfast Malone | Belfast | 29-Jun-21 |
| Belfast Knock | Belfast | 29-Jun-21 |
| Springfield | Birmingham | 29-Jun-21 |
| Horsforth | Leeds | 29-Jun-21 |
| Hulme Hall | Greater Manchester | 29-Jun-21 |
| Bishopsworth | Bristol, City of | 29-Jun-21 |
| Belfast, North | Belfast | 29-Jun-21 |
| Be/Ballysillan | Belfast | 29-Jun-21 |
| Dundonald | Belfast | 29-Jun-21 |
| Belfast Omeau | Belfast | 29-Jun-21 |
| Toothill | Swindon | 29-Jun-21 |
| Childwall | Liverpool | 29-Jun-21 |
| Belfast Fortwilliam | Belfast | 29-Jun-21 |
| Beacon | Birmingham | 29-Jun-21 |
| Kenton Road | Greater London | 29-Jun-21 |
| Radford | Coventry | 29-Jun-21 |
| Gateacre | Liverpool | 29-Jun-21 |
| Corstorphine | City of Edinburgh | 29-Jun-21 |
| Birchfield | Birmingham | 29-Jun-21 |
| Allestree Park | Derby | 29-Jun-21 |
| Pinhoe | Exeter | 29-Jun-21 |
| Keresley | Coventry | 29-Jun-21 |
| Kentford | Forest-Heath | 29-Jun-21 |
| Westbury-On-Trym | Bristol, City of | 29-Jun-21 |
| Carryduff | Northern Ireland | 29-Jun-21 |
| Caergwrle | Flintshire | 29-Jun-21 |
| Mayals | Swansea | 29-Jun-21 |
| Cranfield | Central Bedfordshire | 29-Jun-21 |
| Tarporley | Cheshire West and Chester | 29-Jun-21 |
| Belfast Stormont | Belfast | 29-Jun-21 |
| Flockton | Kirklees | 29-Jun-21 |
| Parbold | West Lancashire | 29-Jun-21 |
| Mickle Trafford | Cheshire West and Chester | 29-Jun-21 |
| Padstow | Cornwall | 29-Jun-21 |
| Sully | Vale of Glamorgan | 29-Jun-21 |
| Daviot | Highland | 29-Jun-21 |
| Rumford | Cornwall | 29-Jun-21 |
| Deddington | Cherwell | 29-Jun-21 |
| Catforth | Preston | 29-Jun-21 |
| Canon Pyon | Herefordshire, County of | 29-Jun-21 |
| St Buryan | Cornwall | 29-Jun-21 |
| Lanreath | Cornwall | 29-Jun-21 |
| Coads Green | Cornwall | 29-Jun-21 |
| Otterham Station | Cornwall | 29-Jun-21 |
| Burleygate | Herefordshire, County of | 29-Jun-21 |
| Crosthwaite | South Lakeland | 29-Jun-21 |
| Chineham | Basingstoke and Deane | 29-Jun-21 |
| Bonvilston | Vale of Glamorgan | 29-Jun-21 |
| Tresilian | Cornwall | 29-Jun-21 |
| Canworthy Water | Cornwall | 29-Jun-21 |
| Llandegla | Denbighshire | 29-Jun-21 |
| Wettenhall | Chesire East | 29-Jun-21 |
| Tudweiliog | Gwynedd | 29-Jun-21 |
| Harewood End | Herefordshire, County of | 29-Jun-21 |
| Crookham | Northumberland | 29-Jun-21 |
| Arley | Cheshire West and Chester | 29-Jun-21 |
| Belsay | Northumberland | 29-Jun-21 |
| Southwick | Dumfries and Galloway | 29-Jun-21 |
| Bridgemere | Cheshire East | 29-Jun-21 |
| Boreland | Dumfries and Galloway | 29-Jun-21 |
| Bontddu | Gwynedd | 29-Jun-21 |
| Great Bernera | Eilean Siar | 29-Jun-21 |
| Ringford | Dumfries and Galloway | 29-Jun-21 |
| Sutton | Chichester | 29-Jun-21 |
| East Marden | Chichester | 29-Jun-21 |
| Lempitlaw | Scottish Borders | 29-Jun-21 |
| Achnasheen | Highland | 29-Jun-21 |
| Aultguish | Highland | 29-Jun-21 |
| Altnaharra | Highland | 29-Jun-21 |
| Armagh | Armagh | 05-Oct-21 |
| Bangor | Newtownards & Bangor | 05-Oct-21 |
| Barry | Vale of Glamorgan | 05-Oct-21 |
| Benton | North Tyneside | 05-Oct-21 |
| Bow | Mid Devon | 05-Oct-21 |
| Brentwood | Brentwood | 05-Oct-21 |
| Broadstairs | Thanet | 05-Oct-21 |
| Bromsgrove | Bromsgove | 05-Oct-21 |
| Broxburn | West Lothian | 05-Oct-21 |
| Capheaton | Northumberland | 05-Oct-21 |
| Cardinham | Cornwall | 05-Oct-21 |
| Caxton | South Cambridgeshire | 05-Oct-21 |
| Cheylesmore | Coventry | 05-Oct-21 |
| Doncaster | Doncaster | 05-Oct-21 |
| Doncaster North | Doncaster | 05-Oct-21 |
| Dutton Diffeth | Wrexham | 05-Oct-21 |
| Eastham | Wirral | 05-Oct-21 |
| Edwalton | Rushcliffe | 05-Oct-21 |
| Glendale | Highland | 05-Oct-21 |
| Halkyn | Flintshire | 05-Oct-21 |
| Hartburn | Northumberland | 05-Oct-21 |
| Haydon Wick | Swindon | 05-Oct-21 |
| Hepple | Northumberland | 05-Oct-21 |
| Heriot | Scottish Borders | 05-Oct-21 |
| How Caple | Herefordshire, Country of | 05-Oct-21 |
| Ilford North | Greater London | 05-Oct-21 |
| Lillingstonedayrell | Aylesbury Vale | 05-Oct-21 |
| Linstead | Suffolk Coastal | 05-Oct-21 |
| Llanfaethlu | Isle of Anglesey | 05-Oct-21 |
| Longridge | Ribble Valley | 05-Oct-21 |
| Lurgan | Craigavon | 05-Oct-21 |
| Mountwood | Wirral | 05-Oct-21 |
| Newtonards | Newtownards & Bangor | 05-Oct-21 |
| Orpington | Greater London | 05-Oct-21 |
| Penzance | Cornwall | 05-Oct-21 |
| Portadown | Craigavon | 05-Oct-21 |
| Rickmansworth | Three Rivers | 05-Oct-21 |
| Saxmundham | Suffolk Coastal | 05-Oct-21 |
| Stanecastle | North Ayrshire | 05-Oct-21 |
| Tadcaster | Selby | 05-Oct-21 |
| Thames Ditton | Elmbridge | 05-Oct-21 |
| Thamesmead | Greater London | 05-Oct-21 |
| Thornton Heath | Greater London | 05-Oct-21 |
| Waterloo | Sefton | 05-Oct-21 |
| Waternish | Highland | 05-Oct-21 |
| Wickford | Basildon | 05-Oct-21 |
| Winterton | North Lincolnshire | 05-Oct-21 |
| Wollaton | Nottingham | 05-Oct-21 |
| Woodgate | Birmingham | 05-Oct-21 |
| Wythenshawe | Greater Manchester | 05-Oct-21 |
| Zelah | Cornwall | 05-Oct-21 |
| Binley | Coventry | 25-Jan-22 |
| Shirley | Solihull | 25-Jan-22 |
| Billericay | Basildon | 25-Jan-22 |
| Hardingstone | Northampton | 25-Jan-22 |
| Peartree | Derby | 25-Jan-22 |
| Whitburn | West Lothian | 25-Jan-22 |
| Formby | Sefton | 25-Jan-22 |
| Epsom | Epsom and Ewell | 25-Jan-22 |
| Molesey | Greater London | 25-Jan-22 |
| Aughton Green | West Lancashire | 25-Jan-22 |
| Birkenhead | Wirral | 25-Jan-22 |
| Chorleywood | Three Rivers | 25-Jan-22 |
| Chapeltown | Leeds | 25-Jan-22 |
| Crossgates | Leeds | 25-Jan-22 |
| Moortown | Leeds | 25-Jan-22 |
| Whitley Bay | North Tyneside | 25-Jan-22 |
| Balby | Doncaster | 25-Jan-22 |
| Woodhouse | Sheffield | 25-Jan-22 |
| North | Bristol,City of | 25-Jan-22 |
| Brock | Wyre | 25-Jan-22 |
| Chwilog | Gwynedd | 25-Jan-22 |
| Bungay | Waveney | 25-Jan-22 |
| Sheering | Epping Forest | 25-Jan-22 |
| Southminster | Maldon | 25-Jan-22 |
| Anstruther | Fife | 25-Jan-22 |
| Lundin Links | Fife | 25-Jan-22 |
| West Calder | West Lothian | 25-Jan-22 |
| Burscough | West Lancashire | 25-Jan-22 |
| Clitheroe | Ribble Valley | 25-Jan-22 |
| Croston | Chorley | 25-Jan-22 |
| Fleetwood | Wyre | 25-Jan-22 |
| Rufford | West Lancashire | 25-Jan-22 |
| Betchworth | Mole Valley | 25-Jan-22 |
| Neston | Cheshire West and Chester | 25-Jan-22 |
| Congleton | Cheshire East | 25-Jan-22 |
| Kirkburton | Kirklees | 25-Jan-22 |
| West Kingsdown | Sevenoaks | 25-Jan-22 |
| Crook | County Durham | 25-Jan-22 |
| Olney | Milton Keynes | 25-Jan-22 |
| Tarvin | Cheshire West and Chester | 25-Jan-22 |
| Okehampton | West Devon | 25-Jan-22 |
| Campsie | Derry-Londonderry | 25-Jan-22 |
| Carrickfergus | Carrickfergus | 25-Jan-22 |
| Castledawson | Castledawson | 25-Jan-22 |
| Comber | Newtownars & Bangor | 25-Jan-22 |
| Cross | Derry-Londonderry | 25-Jan-22 |
| Dundrum | Dundrum | 25-Jan-22 |
| Portavogie | Portavogie | 25-Jan-22 |
| Portstewart | Portstewart | 25-Jan-22 |
| Warrenpoint | Warrenpoint, The Burren | 25-Jan-22 |
| Whitehead | Whitehead, Ballycarry | 25-Jan-22 |
