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Christmas Call Plans on Horizon and Inbound


Use Call forward and Divert options to send calls to mobiles. Set up Voicemail to email alerts so you get copies of your Voicemail messages sent to your email for you to listen to where ever you need to. Use the Hunt Group schedule facility to plan your call plans in advanced.

Horizon Call Forward Hunt Group

Send calls to your mobile or home phone using the Hunt Group Call Forward options. Go to Call Groups>Hunt Group, click Edit next to the Hunt Group you wish to forward. To send calls directly to your Divert number, go to Advanced Settings and use the call forward option (make sure to hit Save whenever you make changes!).

To forward to another number after first ringing on your Horizon handsets go to Options and Use the Forward after x seconds option.

Voicemail to Email Hunt Group

Receive an email notification whenever someone leaves you a voicemail, including the date, time, callers number and a copy of the recording. Go to Call Groups>Hunt Group and click edit next to the number you wish to make changes to. Go to the Voicemail tab tick the box for ‘Notify me at this address’, type the address you wish the email to be sent to and click save.

Hunt Group Schedule

Add Christmas Holidays into your call Schedule. Under Advanced settings, click Edit Next to Schedule, then click the plus sign next to Additional Routing.

Name your Schedule and click Create. On the Add Event screen give your event a name and specify the start and end dates (these are displayed in month/day format). If you untick the box marked All day event you can specify your start and end times.

Once you have set your date and time you can then click create. You can add further events by clicking on Add event again. Once all your events are created, close the window. Finally, click Save.

Not sure

Just email details of the dates, times and forward number to theteam@deepbluetelecom.co.uk with the subject Christmas Holiday Horizon Call Plan and we will set it up for you.


Create a Christmas Holiday call plan using the date and time control nodes to send calls where you need them, when you need them. Add in a Divert node to build additional destination numbers if your main destination is busy or unavailable. Use the ‘Schedule Activate Option’ so you can build your Call Plan in advanced, knowing it will activate when you need it to.

InBound Date and Time Control Nodes

These nodes allow you to set different termination points on different days and at different times (e.g. one for Mon-Fri 9am-5pm and one for evenings and weekends). When you add these nodes into a call plan two boxes appear, one called control and one called default. Click on the control box to specify certain days and times and then drag a destination node onto the box to specify your termination number. Drag a destination node onto the control box and any days/times not listed on the control box will follow this routing.

InBound Divert Node

This allows you to set alternative destinations if a destination number is busy, not answered or suffering from a network error. Simply drag a divert node onto a destination node and then add destinations for each of the three options.

InBound Schedule Activate

Once you have built your call plan, instead of clicking Activate, click Schedule Activate. In the window that appears specify the start date and time for this call plan then click Done. Your call plan will appear as if it is already active but if you go back to the call plan list it will show your call plan with the date and time it is due to activate next to it.

Not sure

Just email details of the dates, times and forward number to theteam@deepbluetelecom.co.uk with the subject Christmas Holiday Inbound Call Plan and we will set it up for you.


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Navigating the Net: A Web of Fascinating Facts About the World Wide Web

The World Wide Web, often referred to simply as the web, has become an integral part of our daily lives, reshaping how we communicate, work, and access information. But do you know what goes on behind the screen? In this blog post, we’ll uncover some intriguing and lesser-known facts about the World Wide Web.

  1. The Inventor of the Web: The World Wide Web was invented by Sir Tim Berners-Lee, a British computer scientist, in 1989 while working at CERN (the European Organization for Nuclear Research) in Switzerland. It was initially conceived as a way for scientists to share research information.
  2. The First Website: The world’s first-ever website, created by Tim Berners-Lee, was dedicated to explaining the World Wide Web and how to use it. It went live on August 6, 1991, and is still accessible today as a historical archive.
  3. The Web’s Growth: There are estimated to be between 1.5 and 2 billion websites on the internet but less than 20% of these are actively maintained and visited. This number continues to grow daily, showcasing the web’s incredible expansion since its inception.
  4. HTTP and HTML: The Hypertext Transfer Protocol (HTTP) and Hypertext Markup Language (HTML) are the backbone of the web. HTTP governs how data is transmitted, and HTML is used to structure and format web content.
  5. The “www” Prefix: The “www” at the beginning of web addresses stands for “World Wide Web.” However, it’s not always necessary to type “www” as many modern websites work without it.
  6. The First Online Sale: In 1994, what is widely accepted to be the first secure online purchase took place. A Sting CD was sold through NetMarket, an online retailer. This marked the beginning of e-commerce.
  7. The Oldest Domain Name: Symbolics.com holds the title of the world’s oldest domain name. Registered on March 15, 1985, it originally belonged to a computer manufacturer.
  8. Web Browsers: The first web browser, called “WorldWideWeb,” was developed by Tim Berners-Lee. Today, we have a plethora of web browsers to choose from, including Google Chrome, Mozilla Firefox, and Safari.
  9. The Dark Web: Beneath the surface web that we commonly use, there exists the “dark web,” a hidden network of websites that require special software to access. It’s often associated with anonymity and illegal activities.
  10. Web Languages: The web relies on a variety of programming languages, including JavaScript, CSS (Cascading Style Sheets), and PHP (Hypertext Preprocessor), to create interactive and visually appealing websites.
  11. Web Accessibility: Web accessibility standards, such as WCAG (Web Content Accessibility Guidelines), aim to make the web more inclusive by ensuring that websites are usable by people with disabilities.
  12. Cat Content Rules: Cats are internet royalty! From Grumpy Cat to Keyboard Cat, feline friends have captured the hearts of millions online. Cat videos and memes are some of the most popular content on the web.
  13. The Internet of Things (IoT): The web isn’t limited to computers and smartphones. It extends to everyday objects connected to the internet, such as smart thermostats, fridges, and wearable devices.
  14. Web’s Environmental Impact: The World Wide Web consumes a significant amount of energy. Efforts are ongoing to make data centers and web services more energy-efficient to reduce the web’s carbon footprint.

The World Wide Web has revolutionised the way we live, work, and interact with the world. It’s a testament to human innovation and connectivity, but it’s also a reminder of the ever-evolving nature of technology. As we continue to explore the vast web, let’s appreciate the fascinating history and ongoing development that make it the incredible resource it is today.


Spooky Signals and Ghostly Gadgets: Halloween Telecom Facts


As Halloween approaches, it’s time to dust off those cobweb-covered facts about the world of telecommunications and explore the eerie connections between technology and the supernatural. From haunted phone lines to the mysterious origins of wireless communication, this blog post is your guide to the spookiest telecom trivia. Grab your flashlight and prepare to delve into the ghostly world of telecom facts that will send shivers down your spine!

1. The Phantom Phone Calls:

Imagine receiving a phone call from the other side, not in a paranormal sense, but due to a strange quirk of early telephone technology. Before automatic dialing, operators manually connected calls. In the late 19th century, sometimes an operator would mistakenly patch you through to a different conversation – leading to eerie instances of overhearing strangers’ conversations. People started calling these mishaps “phantom phone calls.”

2. Ghosts in the Machine:

Have you ever heard of the “Blue Box” created by Steve Jobs and Steve Wozniak, the founders of Apple? This little-known device allowed users to make free long-distance calls by manipulating the phone system’s control tones. While not exactly paranormal, this piece of tech history is certainly mysterious and unconventional.

3. The Bermuda Triangle of Wireless Signals:

There’s a place in West Virginia known as the National Radio Quiet Zone, where radio signals are virtually nonexistent. This eerie zone was created to protect the Green Bank Telescope from radio interference, making it a “Bermuda Triangle” for wireless signals. Could this be the result of paranormal forces, or simply a dedicated effort to advance scientific research? You decide!

4. Marconi’s Mysterious Transmission:

In 1901, Italian inventor Guglielmo Marconi claimed to have received a mysterious radio transmission across the Atlantic Ocean. Though many at the time dismissed it as a hoax, it remains a fascinating piece of telecom history. Some even speculate that Marconi may have intercepted a distress call from a lost ship, adding a ghostly dimension to this achievement.

5. The Ghostly Frequencies of Numbers Stations:

Numbers stations are shortwave radio stations that transmit seemingly random numbers or codes. They’ve been around for decades and are believed to be used by intelligence agencies for covert communication. The eerie part? No one knows for sure who is behind them, and their broadcasts have fueled countless conspiracy theories.

6. The Haunted Fiber Optic Cables:

Deep beneath the ocean, where submarine fiber optic cables transmit data worldwide, strange sounds have been recorded. These eerie noises are often attributed to whales, but some believe they could be the cries of spectral sea creatures guarding the secrets of the deep.


Telecommunications may not seem like the spookiest of topics, but as we’ve seen, there’s a ghostly underbelly to the world of signals and wires. From haunted phone lines to mysterious radio transmissions, telecom technology has its fair share of eerie tales. As you celebrate Halloween this year, remember that even the most mundane aspects of our modern world can hold secrets and mysteries waiting to be uncovered. So, if you hear a strange noise on the telephone or catch a glimpse of an unexplained signal, don’t be too quick to dismiss it as mere technology – it might just be a ghost in the machine! Happy Halloween!


Decoding the Digits: Fascinating Facts About Telephone Area Codes

Telephone area codes are the numeric clues that help us navigate the vast global network of telecommunication systems. While they might seem mundane at first glance, these seemingly random strings of numbers actually hold some intriguing secrets. In this blog post, we’ll uncover some interesting facts about telephone area codes that you probably didn’t know.

  1. The First Area Codes: The concept of area codes was introduced in the United States in 1947 as part of the North American Numbering Plan (NANP). The first area codes were created for larger cities, like New York City (212) and Chicago (312).
  2. The Zero and One Rule: Area codes in the NANP were initially restricted from having a ‘0’ or ‘1’ as the middle digit. This restriction was in place to avoid confusion with the digit ‘0’ and ‘1’ used for long-distance dialing and operator-assisted calls.
  3. Area Codes Reflect Geography: In many cases, area codes are geographically based. For example, in the United States, area codes tend to be larger and cover more land area in rural regions and smaller in densely populated urban areas.
  4. Area Codes Tell Stories: Some area codes have interesting stories associated with them. For instance, area code 902 in Canada covers the entire province of Nova Scotia, reflecting the maritime heritage of the region (902 is also the ship-to-shore radio code).
  5. Area Codes in Pop Culture: Area codes have found their way into pop culture, notably in music. Rapper Ludacris had a hit song called “Area Codes” where he boasted about the different area codes where he knew women.
  6. Portability and Number Changes: With the advent of mobile phones and number portability, people can keep their phone numbers even when they move to a different area. This has led to a shift in how we perceive the significance of area codes.
  7. Area Codes for Government and Military: Some area codes are dedicated to government and military use.
  8. International Dialing Codes: Country codes are a global version of area codes. These three-digit codes are used when making international calls and help route the call to the correct country. The UK is 0044 or +44.
  9. The Future of Area Codes: As more and more people rely on mobile phones and VoIP services, the concept of area codes may evolve further. New technologies and changing demographics may impact how we assign and use area codes in the future.

Telephone area codes may seem like a minor detail in our digital lives, but they play a crucial role in connecting us in a vast and complex telecommunications network. From their historical origins to their place in pop culture, area codes have a rich history and a significant impact on how we communicate. So, the next time you see or dial an area code, remember that it’s not just a set of numbers; it’s a part of the fascinating world of telecommunications.


Ringing in the Past: Fascinating Facts About the PSTN

The Public Switched Telephone Network (PSTN) is the backbone of the traditional phone system, connecting billions of people worldwide for over a century. While we often take it for granted, the PSTN holds a treasure trove of intriguing facts and history. In this post, we’ll delve into some captivating and lesser-known facts about the PSTN.

  1. The Birth of the PSTN: The PSTN was born in 1876 when Alexander Graham Bell made the first successful telephone call to his assistant, Thomas Watson, with the famous words, “Mr. Watson, come here, I want to see you.” This call marked the dawn of the telephone era and the establishment of the world’s first telephone exchange in New Haven, Connecticut.
  2. Manual Switchboards: Early telephone exchanges relied on manual switchboard operators who physically connected calls by plugging and unplugging cords. These operators were primarily women and became known as “Hello Girls.”
  3. Rotary Dial Phones: The first rotary dial telephone, which allowed users to directly dial numbers rather than rely on operators, was introduced in the early 20th century. Rotary dial phones became a household staple for many decades.
  4. Area Codes: The concept of area codes was introduced in 1947 as part of the North American Numbering Plan (NANP). The three-digit area codes were designed to efficiently route calls across large geographic areas.
  5. The Demise of Party Lines: In the early days of the PSTN, party lines were common. Multiple households shared a single telephone line, and users could listen in on each other’s conversations. The advent of private lines gradually phased out this practice.
  6. Touch-Tone Phones: The push-button or touch-tone phone, introduced in the 1960s, replaced the rotary dial. These phones allowed for faster and more accurate dialing and became the standard for decades.
  7. The Red Phone: The “red phone” is a term often associated with a direct communication link between the leaders of the United States and the Soviet Union during the Cold War. While such a phone existed, it was not a single red phone but rather a secure communication network.
  8. Voice over PSTN: The PSTN originally carried only voice calls. However, it evolved to support data transmission, enabling services like fax machines and early modems.
  9. The Internet’s Impact: The rise of the internet and digital communication technologies has transformed the telecommunications landscape. Voice over Internet Protocol (VoIP) and mobile networks have challenged the dominance of traditional PSTN systems.
  10. Continued Evolution: While the PSTN has seen significant changes over the years, it is not yet a relic of the past. Many countries are transitioning to IP-based networks, but the PSTN remains a critical part of global telecommunications infrastructure.
  11. Emergency Services: The PSTN has played a crucial role in connecting people to emergency services. Dialing “911” in the United States or “999” in the UK connects callers to immediate help.
  12. Global Reach: The PSTN connects people across vast distances, facilitating communication and business transactions around the world. It has enabled international trade and diplomacy on an unprecedented scale.

The history of the PSTN is a remarkable journey through the evolution of communication. From Bell’s first words over a wire to the digital age, the PSTN has played a pivotal role in connecting people globally. While it faces new challenges in the era of digital technology, it remains an essential part of our interconnected world, reminding us of the incredible progress we’ve made in telecommunications. The next time you pick up a phone, take a moment to appreciate the rich history and innovation behind the dial tone.


Dialing into the Digits: Intriguing Facts About Phone Numbers in the UK

Phone numbers are the key to unlocking connections in our modern world. While we use them daily for communication, there’s more to these strings of digits than meets the eye. In this post, we’ll explore some captivating and lesser-known facts about phone numbers.

  1. The Structure of UK Phone Numbers: Phone numbers in the UK typically consist of an area code and a local number. The area code identifies the geographic region, while the local number pinpoints a specific address within that area.
  2. The UK’s First Phone Number: The very first telephone exchange in the UK was established in London in 1879. The first telephone number ever issued in the UK was “1,” assigned to a Dr. William Grace.
  3. The 01 and 02 Area Codes: In the UK, area codes starting with 01 and 02 are used for geographic regions. The “02” codes are generally associated with London and its vicinity, while “01” codes cover the rest of the UK.
  4. 03 Numbers for Non-Geographic: Phone numbers starting with “03” in the UK are non-geographic, meaning they are not tied to a specific location. 0333 numbers are used by businesses while 0300 numbers are for use by public sector bodies and not-for-profits such as registered charities. They are charged at the same rate as local landline numbers, making it more affordable for users to call.
  5. The Notable “0800” Freephone Numbers: “0800” numbers are toll-free in the UK, meaning the recipient of the call (usually a business) pays for the cost of the call, not the caller.
  6. The Rise of “07” Mobile Numbers: UK mobile phone numbers typically start with “07.” The explosive growth of mobile phone usage has led to a significant increase in the demand for these numbers.
  7. The Elusive “555” Prefix: Unlike in some other countries, the UK doesn’t have a “555” prefix for fictitious phone numbers commonly used in movies and television shows.
  8. Premium Rate Numbers: The UK uses a range of premium rate numbers, starting with “09.” These numbers are often used for services like voting on TV shows or accessing helplines, but they can be costly for callers.
  9. Emergency Services Number: The emergency services number in the UK is “999.” However, “112” also works and can be dialed for emergency assistance.
  10. Number Portability: In the UK, you can keep your phone number when switching providers. This process, known as number portability, makes it easier for consumers to switch without changing their contact details.
  11. The World’s Most Expensive Phone Number: In 2006, a Dubai businessman paid £1.5 million for the phone number “+971 50 5050 505.” This extravagant purchase holds the record for the world’s most expensive phone number.
  12. The Future of Phone Numbers: With advancements in technology and the rise of VoIP services, the concept of phone numbers is evolving. Services like WhatsApp and Skype are changing the way we connect without relying on traditional phone numbers.

Phone numbers may seem like a mundane aspect of our daily lives, but they are a gateway to communication, connecting us to people and businesses across the UK and beyond. These intriguing facts about phone numbers in the UK offer a glimpse into their history, usage, and evolving role in our digitally connected world. The next time you dial a number or receive a call, remember that there’s a wealth of history and innovation behind those digits.


Connecting the Dots: 10 Fun Facts About Telecoms in the UK

Telecommunications may seem like a straightforward topic, but behind the scenes, there are fascinating facts and stories that make it more interesting than you might imagine. In this blog post, we’ll uncover some fun and intriguing facts about telecoms in the UK that you probably didn’t know.

  1. The Red Telephone Box Icon: The iconic red telephone boxes that dot the UK’s streets were originally designed by Sir Giles Gilbert Scott in 1924. Although they’ve become less common with the rise of mobile phones, these symbols of British communication history are still preserved in many places.
  2. The Oldest Operating Telecommunications Company: The BT Group (formerly known as British Telecom) was founded in 1846. It’s one of the world’s oldest telecommunications companies still in operation.
  3. The First Transatlantic Telegraph Cable: In 1858, the first transatlantic telegraph cable was successfully laid between Valentia Island, Ireland, and Newfoundland, Canada, revolutionizing long-distance communication.
  4. The Birth of the World Wide Web: The World Wide Web, a fundamental aspect of modern telecoms, was invented by Sir Tim Berners-Lee, a British computer scientist, in 1989 while working at CERN in Switzerland.
  5. Postcodes in Phone Numbers: In the UK, telephone area codes often correspond to postal codes. For example, the 020 area code covers London, and the postal codes within the city are structured to align with this.
  6. The Emergency Services Number: The emergency services number in the UK is 999. However, 112 is also recognized and can be dialed for emergency assistance.
  7. The Queen’s First Email: Queen Elizabeth II sent her first email in 1976 from the Royal Signals and Radar Establishment. It was a significant moment in the history of electronic communication.
  8. Telecoms in the London Underground: London Underground stations have phone booths where you can make calls, but they’ve been repurposed for emergency use only since 2001 due to the prevalence of mobile phones.
  9. The Oldest Telecommunications Museum: The Museum of Communication in Scotland is one of the world’s oldest telecommunications museums. It houses a remarkable collection of telecommunication devices and memorabilia.
  10. Mobile Phone Adoption: In the UK as of 2023, 96% of 16- to 24-year-olds own a smartphone, the highest of any age group. According to some surveys, more people in the World own a mobile phone than a toothbrush!

Telecommunications in the UK is a rich tapestry of history, innovation, and quirky facts. From iconic red telephone boxes to the birth of the World Wide Web, the UK has played a significant role in shaping the way we communicate today. These fun facts remind us that behind the technology we often take for granted, there’s a world of fascinating stories waiting to be discovered. So, the next time you pick up your smartphone or pass by a red telephone box, you’ll have a deeper appreciation for the telecoms history in the UK.


The All-IP Jargon Buster: Decoding the Acronyms of the Digital Transition

In today’s fast-paced world, technology evolves at an astonishing rate, shaping the way we communicate and connect. The current shift towards an All-IP network infrastructure, often referred to as the Great British Switch Off, is dramatically changing the telecommunications landscape. Navigating this transformation isn’t always a walk in the park, especially when you’re bombarded with a barrage of acronyms and jargon that seem more like cryptic codes. Fear not, for we’ve got you covered with our comprehensive jargon buster to help you unravel the mysteries behind the terminology.

ADSL – Asymmetric Digital Subscriber Line

Starting off our journey through the alphabet soup is ADSL or Asymmetric Digital Subscriber Line. A technology that enables faster data transmission over traditional copper telephone lines, offering higher download speeds than upload speeds. Being switched off in 2025.

ATA – Analogue Telephone Adapter

The ATA, or Analogue Telephone Adapter, is a device that lets you connect traditional analogue telephones or fax machines to a digital network, allowing them to work with newer IP-based systems.

BB – Broadband

You’re probably familiar with this one! Broadband, often abbreviated as BB, refers to high-speed internet access that provides a significant amount of data transmission capacity.

BT – British Telecom

BT, or British Telecom, is a well-known telecommunications company.

CF – CityFibre

CityFibre, often denoted as CF, is a company at the forefront of building and expanding fibre-optic networks across cities, offering high-speed internet services to businesses and homes. Deep Blue are proud to work with CityFibre to bring next generation connectivity to our customers.

CLOA – Customer Letter of Authority

The Customer Letter of Authority (CLOA) is a document that grants permission to a third party to take specific actions on behalf of a customer, such as managing their telecommunication services.

CNI – Critical National Infrastructure

CNI, or Critical National Infrastructure, refers to the essential systems and assets that are vital for a country’s functionality and security. Did you know that telecoms workers were classed as key workers during the 2020 lockdown? The Team at Deep Blue did an amazing job juggling the pressure of assisting our end users in switching to home working whilst also adapting to the home changes lockdown brought (we’re looking at you home schooling!). Well done Team!

CP – Communication Provider

CP stands for Communication Provider, which is a company or organisation that offers communication services, such as telephone, internet, and broadcasting. Like Deep Blue!

CRFS – Customers Ready For Service

CRFS represents Customers Ready For Service, indicating that a specific service or connection is available and operational for customers to use.

DB – Deep Blue

No not the chess-playing computer, DB here refers to Deep Blue or to give us our full title: Deep Blue Networks Ltd. With nearly two decades of experience this isn’t the first time we’ve helped customers navigate the change from one technology to another.

DDI – Direct Dial In

Direct Dial In (DDI) is a feature that allows callers to directly reach a specific extension or individual within an organization without going through a receptionist or automated menu.

EoNWD – End of Next Working Day

EoNWD, or End of Next Working Day, sets expectations for when a particular action or service will be completed.

EU – End User

End User (EU) simply refers to the final consumer or recipient of a product or service.

FTTC – Fibre To The Cabinet

FTTC, or Fibre To The Cabinet, is a technology that brings high-speed fibre-optic cables to street cabinets, improving internet speeds over existing copper connections. Being switched off in 2025.

FTTP – Fibre To The Premises

FTTP, or Fibre To The Premises, takes it a step further by delivering fibre-optic cables directly to homes or businesses, offering even faster and more reliable connections.

FUP – Fair Use Policy

Fair Use Policy (FUP) outlines the acceptable and reasonable usage limits for a service to ensure fair access for all users.

GSO – Great Switch Off

The Great Switch Off (GSO) signifies the transition from traditional analog communication systems to the All-IP network infrastructure. Also called the Great British Switch off and the Big Switch off.

IP-PBX – Internet Protocol private branch exchange

IP-PBX is an Internet Protocol private branch exchange, which is a private telephone network used within an organization that supports both traditional and IP-based communication.

ISDN – Integrated Services Digital Network

Integrated Services Digital Network (ISDN) is a set of communication standards that enables digital transmission of voice, video, and data over traditional copper lines. Being switched off in 2025.

KYC – Know Your Customer

Know Your Customer (KYC) involves the process of verifying the identity of customers, often required for regulatory compliance.

LLU – Local Loop Unbundling

Local Loop Unbundling (LLU) allows different communication providers to use the same physical infrastructure, like telephone lines, to offer their services.

LOA – Letter of Authority

The Letter of Authority (LOA) is a formal document granting permission or authorisation for a specific action.

MBM – Main Billing Number

The Main Billing Number (MBM) is the primary number associated with a service that may have multiple numbers associated with it, for example an ISDN circuit with DDi blocks.

MPF – Metallic Path Facility

Metallic Path Facility (MPF) refers to the physical copper line connecting a customer’s premises to the communication network.

NTE – Network Terminating Equipment

Network Terminating Equipment (NTE) is the device installed at a customer’s location that connects their internal wiring to the service provider’s network.

OTT – Over The Top

Over The Top (OTT) services deliver content (like streaming media) directly to users over the internet, bypassing traditional distribution methods.

PBX – Private Branch Exchange

Private Branch Exchange (PBX) is a telephone exchange system used within an organisation to manage internal and external calls. Not all of these will be compatible with the All-IP network.

PSTN – Public Switched Telephone Network

The Public Switched Telephone Network (PSTN) refers to the traditional circuit-switched telephone network used for public telecommunications. Being switched off in 2025.

SIP – Session Initiation Protocol

Session Initiation Protocol (SIP) is a communication protocol used for initiating, maintaining, modifying, and terminating real-time sessions, such as voice and video calls over IP networks.

SMPF – Shared Metallic Path Facility

Shared Metallic Path Facility (SMPF) indicates that multiple services share the same physical copper line.

SOADSL – Single Order Symmetric Digital Subscriber Line

SOADSL, or Single Order Symmetric Digital Subscriber Line, is a service that provides equal download and upload speeds. Being switched off in 2025.

SOGEA – Single Order Generic Ethernet Access

SOGEA, or Single Order Generic Ethernet Access, offers a broadband connection without the need for a traditional phone line.

SOGFAST – Single Order G.Fast

SOGFAST, or Single Order G.Fast is a single-order broadband service using G.Fast technology for faster speeds.

SOTAP – Single Order Transitional Access Product

SOTAP, or Single Order Transitional Access Product is a technology created to deliver a copper path between network terminating equipment (NTE) at broadband customers’ premises as well as a main distribution or jumper frame at the exchange point.

SVR – Site Visit Reason

Site Visit Reason (SVR) indicates the purpose or rationale behind a scheduled site visit.

VDSL – Very high-speed Digital Subscriber Line

VDSL, or Very high-speed Digital Subscriber Line, provides faster data transmission over traditional copper lines than standard ADSL. Being switched off in 2025.

V-IP – Virtual Internet Protocol

V-IP, Virtual IP or Virtual Internet Protocol is an IP address that does not correspond to a physical network interface.

VoIP – Voice over Internet Protocol

Voice over Internet Protocol (VoIP) enables voice communication and multimedia sessions over the internet

WLR – Wholesale Line Rental

Wholesale Line Rental includes fixed-line services, like voice and broadband. It allows CPs like Deep Blue to provide these services without the need to own the physical infrastructure.

WLR Products – Wholesale Line Rental Products

Under the umbrella of WLR, a spectrum of products is available to cater to various communication needs. Many of these will be switched off in 2025.

  • WLR3 Analogue: a traditional voice service that’s been a cornerstone of telecommunications
  • ISDN2 and ISDN30: Integrated Services Digital Network (ISDN) solutions, including ISDN2 and ISDN30 use digital communication capabilities, enabling simultaneous voice and data transmission for enhanced connectivity.
  • SMPF and SLU SMPF: Shared Metallic Path Facility (SMPF) and Sub Loop Unbundling (SLU) SMPF allow multiple services to share the same physical copper line.
  • Narrowband Product(s) Line Share: Narrowband Product(s) Line Share is designed for efficient utilisation of resources, ensuring the most effective use of existing network infrastructure.
  • Classic: The fundamental voice service.

WLT – Working Line Takeover

Working Line Takeover enables customers to switch between communication providers without disrupting their existing services.


Openreach announces launch of Optical Spectrum Access

What is Optical Spectrum Access (OSA)?

Optical Spectrum Access (OSA) uses wavelength division multiplexing (WDM) to efficiently send multiple signals along an optical bearer (fibre optic cables and equipment). Each optical signal is given its own wavelength, they are sent through the fibre at the same time before being separated out once they reach the destination. Each wavelength can be configured to carry different data or be allocated to specific tasks.

What Options will be available?

OSA 100G single comes as a symmetrical 100GE option or a 10 channel 10GE option. It has a limited number of product options to make it straight forward and accessible.

OSA Filter Connect gives you direct access to the optical path, allowing you to connect your own wavelength division multiplexing (DWDM) equipment using the spare filter ports (OR will still manage at least one wavelength).

What are the benefits of OSA?

Being a dedicated fibre connection it offers low latency, high service quality and high levels of security. It also has the shortest lead time of Openreach’s DWDM products.

Because it is designed and planned to the end users brief you are able to customise with multiple wavelength, chassis and interface options.

The option to have direct access means you can tailor and manage the service to how you use it.

OSA for the Market

Openreach have aimed to price OSA to make it a competitive and viable option as the need for data becomes ever greater.

The launch of products like OSA along with the continued roll out of the full fibre network are going to be essential to allow UK businesses to continue to compete in a global market. Especially as more and more of the things we do rely on data and fast connectivity to underpin them.