Voice Over Internet Protocol (VoIP) is an established technology that allows users to make phone calls over an Internet connection as opposed to depending on physical landlines. VoIP is a dominant force in enterprise communication systems and enables high-quality calls and providing cutting-edge features not typically available on traditional landline services, boosting the overall communication experience. This is mainly because of the cost savings, flexibility and reliability of the system.
The Business Case for VoIP
Cost Efficiency
VoIP uses the already existing internet infrastructure, which eliminates expensive hardware costs or maintenance staff. VoIP services also offer flexible pricing plans or unlimited minute packages that allow for easier budgeting, along with lower rates for local and international calls compared to traditional phone lines. CIOs can save significant amounts for enterprises, ranging from 30% to 50%.
Scalability & Flexibility
VoIP systems can accommodate growth should businesses begin to hire more employees and expand to new markets. Unlike traditional phone systems, they can also scale up or down by simply adding or removing users or features. Due to the flexibility of the system, businesses can adapt to different environments, using multiple devices and teams.
Integration with CRM’s
VoIP can link a company’s CRM software to its phone system. This enhances productivity and customer service by enabling click-to-call capabilities and automatic call-logging screen pops with customer data.
Support for Hybrid & Remote workers
VoIP systems support hybrid and remote workers by enabling a clear, seamless channel for employees to communicate regardless of location. With VoIP, employees can use the same number from anywhere as long as there is an internet connection, keeping employees consistently connected.
Key Considerations Before Adoption
Infrastructure readiness
When it comes to switching to VoIP, many businesses suffer from overlooking certain factors:
Bandwidth strength: VoIP heavily relies on your bandwidth strength; if this is insufficient, this can lead to issues like choppy audio, calls dropping and poor call quality. There is a rough estimate of 100kbps needed for upload and download per call.
Quality of Service (QoS) configuration: QoS is crucial for VoIP because voice communication is very sensitive to network imperfections, as it ensures reliable and clear communication. It does this by organising voice traffic over other data on the network, which helps reduce packet loss, jitter and latency even when the network is busy.
Reliable connectivity: a stable connection directly impacts the call quality, stability and user experience. Without a stable enough connection, digital data packets can be delayed, lost or delivered out of order. A strong enough connection ensures that audio is clear and uninterrupted, with no latency or echoes.
Modern routers and switches: These are essential for great VoIP quality because they’re built to handle today’s complex network traffic. The new modern ones offer advanced QoS and high processing speeds to prevent delays and VLAN support to keep voice traffic isolated for improved performance.
Don’t make the common mistakes that other businesses make. Contact Fuse 2 today for a free readiness assessment or an infrastructure audit to ensure that your network is fit and ready for the transition to a superior VoIP network.
Security and compliance
Encryption: When using VoIP, the voice data is digitised and then converted into packets that can be sent over the internet. However, during this process, the data is turned into a coded form to protect it from eavesdropping or hackers who have intercepted the transmission.
Access controls: Access controls in VoIP involve implementing safeguards to prevent unauthorised access to the VoIP system and network.
This includes:
- Creating strong passwords
- Scrambling user data to keep conversations private
- Implementing Role-Based Access that ensures that people have access to only the features they need
- Using Firewalls & SBCs block bad traffic and protect against attacks
Secure SIP: This involves encrypting the SIP messages to protect VoIP communications so that they’re not intercepted during transmission. With these methods, businesses can significantly reduce the risk of eavesdropping, breaches and other threats to communication.
Compliance with industry standards: When selecting a VoIP provider, it’s important to look out for those offering strong security features, compliance certifications and willingness to sign Business Associate Agreements. VoIP systems handling sensitive data must comply with HIPAA (US healthcare data) and GDPR (for EU personal data).
Disaster recovery and uptime
CIOs must select a VoIP provider that is prepared for any issue by having the following:
Resilience: VoIP resilience is crucial for business operations; a non-resilient system threatens productivity, customer satisfaction and revenue.
Redundancy: This involves duplicating critical components of the VoIP infrastructure, so that if one of the components fails, another one can immediately take over, preventing any disruption.
Cloud-based Failover: With this, CIOs don’t need to worry about outages because active calls will automatically be rerouted to a cloud-hosted server in the event of a local outage. This ensures business continuity, allowing employees to make and receive phone calls during an outage.
Guaranteed Uptime SLAs: These are the insurance policies for reliable phone service, protecting your business from the disruption and costs of communication downtime. These agreements will guarantee improved reliability, higher quality and clear expectations.
Vendor lock-in and interoperability
When it comes to using closed systems and proprietary hardware, they can be seen as more expensive to run because of the hidden costs and difficulty switching. Furthermore, the interoperability between these systems and other platforms is almost impossible because of the data formats they use. Open standards like SIP, on the other hand, are a cost-effective, widely adopted protocol that is constantly evolving as technology advances. This means that devices can be easily enhanced without needing to replace an entire infrastructure.
Choosing the Right VoIP Provider
There are several factors to consider before selecting a VoIP provider:
- A straightforward, easy set-up with a strong infrastructure
- Reliable with a strong record of uptime and a high customer satisfaction rate
- 24/7 dedicated customer support that is fast and ready
- Easy ability to scale that can accommodate growth
- Embraces open standards like SIP that are cost-effective and future-proof
Fuse 2 Communications offers easy VoIP setups for businesses seeking a streamlined experience. Our offerings, like Cloud PBX and Cloud 3CX, are designed for quick and straightforward set-up and minimal technical burden on the customer. We also have a committed tech support team ready to help with any issues at any time, with a customer satisfaction rate of 98%. We’re also a preferred SIP trunk provider, demonstrating our expertise within this field, with our services also facilitating growing businesses with fluctuating team sizes.
Implementation Strategy
Phased rollout
Advantages
- This allows for a smoother transition so that employees can adjust to the technology.
- Problems can be identified and addressed before escalating to the next stage.
- Opportunity for feedback to tailor to specific needs.
- Less disruption to businesses during operation
- Able to prevent expensive failures that may occur if implemented all in one go.
- Reduces risk because if something goes wrong, it will only affect a small group in comparison.
Disadvantages
- The overall time it takes for VoIP to be fully implemented is extended.
- Businesses will need to create a hybrid system where some are using their existing system, and some are using VoIP.
- It may take a bit longer to notice a return on investment as the system isn’t fully deployed immediately.
Full Migration
This refers to the complete transition of a business phone system from a traditional system to a VoIP system.
Advantages
- The whole implementation process is much faster.
- The team will have immediate full access to the system’s features.
- Definitive end to the previous system.
- All training is concentrated into one period.
- The cost benefits of VoIP are fully introduced immediately, so the return on investment is quicker.
Disadvantages
- Steeper learning curve for employees.
- If there are any unforeseen issues with the process, they will likely hit the company all at once.
- Less time and opportunity to give feedback.
- Employees are expected to immediately fully understand the system.
- Full migration to a completely different phone system might require a new IP phone system to be bought.
Managing Security and Risk
Enterprise-level organisations face advanced and persistent threats that target their communication infrastructure. For VoIP, these include:
Toll fraud – Attackers gain unauthorised access to a company’s VoIP to make fraudulent calls at premium rates, which the company then must pay for.
Data interception – As a result of VoIP calls travelling over the internet via the internet, they are susceptible to interception. Which means that hackers can “listen in” on conversations and access sensitive information.
Denial-of-Service (DoS) and Distributed Denial-of-Service (DDoS) Attacks – These attacks are aimed at overwhelming the VoIP system or network with traffic, which prevents legitimate calls from being made or received. This can be critical for businesses because this means time and potential revenue are lost.
To counter these threats, an enterprise VoIP can take the following security measures:
24/7 monitoring and threat detection – Continuous monitoring of VoIP traffic is essential for identifying malicious activity. This allows for rapid detection of potential toll fraud attempts, DOS attacks, or unauthorised access, which gives security teams more time to respond and diminish damage.
Secure SIP protocols – Utilising secure versions like SIP to communicate encrypts the signalling traffic, protecting sensitive information and preventing unauthorised call manipulation.
Network Redundancy and Resiliency – Although this isn’t strictly a security measure when it comes to trying to prevent attacks. This process ensures that if one component fails, the business will be able to continue because dispersed data systems, redundant network paths and failover mechanisms keep the data alive.
End-to-end encryption – All voice traffic, from the moment it leaves one endpoint until it reaches the other, must be encrypted. Technologies like SRTP (Secure Real-time Transport Protocol) help prevent data interception and eavesdropping, safeguarding sensitive information and ensuring regulatory compliance.
Post-Deployment Considerations
Ongoing performance monitoring is vital to ensure that call quality and overall user experience are consistent and improving. An important area to focus on for CIOs is the Quality-of-Service metrics:
Monitoring Quality-of-Service
Jitter – Refers to the variation in the time it takes for data packets to arrive across the network. High jitter can lead to distorted audio, and consistent monitoring can help identify network congestion that can cause jitter.
Latency– The time it takes for a voice packet to travel from the sender to the receiver. Too much latency may result in a “jumpy” experience and problems holding a natural conversation. CIOs need to ensure that their network’s latency is within an acceptable threshold to avoid a poor user experience.
Packet Loss – Even if a small percentage of data packets fail to reach their destination, a noticeable difference in quality will occur, stuff like missing words or phrases.
Regular updates and maintenance
A crucial area for CIOs to focus on is performance monitoring, specifically in Quality-of-Service metrics. CIOs need to be aware of scheduling:
Software updates – Providers frequently offer updates to improve security, performance, add new features and bug fixes. Applying these updates is so important to protect the system and ensure it operates as efficiently as possible.
Security patches – Since VoIP systems can be a target for cyberattacks. CIOs must make sure that they keep on top of security patches to prevent risks like toll fraud, eavesdropping and denial-of-service attacks.
Configuration reviews – Regularly reviewing system configurations to ensure that they match evolving business needs and practices.
User Feedback Loops
Engaging with users is vital to a provider’s success. CIOs should be able to communicate feedback to their providers to help:
Gather insights on call quality – In case call quality/ performance has dropped, users can provide direct feedback through automated monitoring.
Identify usability challenges – Feedback can be used to highlight areas where users face interference, which can be used to alert providers where to improve.Prioritise enhancements – With feedback, users can suggest areas for enhancements where the VoIP system can evolve to meet future business needs.
