What is the difference between a SIP phone and a VoIP phone?

SIP Vs. VoIP: Which Is Right For Your Business?

What is the difference between a SIP phone and a VoIP phone

Understanding what is SIP and VoIP

Modern business communications require many more things than phone calls.

Although phones remain an essential tool for communication professionals utilize a variety of methods to communicate. On any given working day, it’s unusual for an average worker to use phones or email, mobile applications such as chat, text and video conference calls.

Making the switch to internet-based phones is an ideal option for certain businesses, but it’s not an adequate solution for the majority of businesses. Many companies can gain from the Unified Communications approach, which includes text, voice and conferencing, mobility and many more.

If you’re considering new business phone systems, you might wonder what distinction is made between Session Initiation Protocol (SIP) and VoIP and which one is better. In this article we’ll explain what is the difference between a SIP phone and a VoIP phone? The advantages and disadvantages of each of these options and the best way to decide which is the most suitable for your needs.

What is the Difference between a SIP phone and a VoIP phone?


What is the difference between a SIP phone and a VoIP phone? The distinction between the SIP phone as opposed to a VoIP telephone is that a Voip Phone refers to any telephone that can transmit phone calls by using technology. SIP is a distinct kind of VOIP technology. SIP phones fall under the broad category of VoIP phones. SIP phones provide multimedia capabilities and are able to connect with VoIP networks without the need for additional hardware. It’s difficult to visually discern the difference between a handset that’s SIP-enabled versus one that is not. But, the majority of phones today have SIP capabilities.

What’s the difference between SIP and VoIP?

The distinction of SIP and the other VoIP protocols VOIP lies in that SIP is among the most popular protocols used for deploying various types of VoIP communications. VoIP is a broad term that covers a variety of protocols for voice communication over the internet, which includes calls made by voice. SIP is a protocol that explains the process by which VoIP calls are created and maintained as well as disconnected. In this way, SIP is a subprotocol which lets VoIP.

VoIP Pros and Cons

Pros of  VoIP Cons of VoIP
  • Lower costs
  • Reliable internet connection required
  • Increased accessibility
  • Susceptible to network jitter
  • Complete portability
  • Limited location for emergency calls
  • Higher scalability
  • Incompatible with older alarm and fax machines

SIP with VoIP Pros and Cons

Pros of SIP with VoIP Cons of SIP with VoIP
  • Easy to scale—can add video, messaging, etc
  • Requires sufficient bandwidth to maintain call quality
  • Easy to integrate with common third party apps/software
  • Not all providers are equal—choose one that offers features you need and quality service
  • Integrate PRI lines for a combo system
  • Potential for quality and security issues if used on public internet
  • Flexible pricing—pay for what you need

What is a VoIP phone?


A VoIP handset is a type of phone that makes use of IP technology to transfer calls. It is available as a special digital hardware or a software (running on the computer or mobile device) which performs similar tasks.

With a microphone as well as a receiver The VoIP phone takes the sound that you create and transforms it into data packets. Then, it sends them over the network, and then out via the internet. The phone on the other side then breaks down information and plays it to the other party to listen.

How does a VoIP phone work?

VoIP phones convert voice calls to digital signals that are transmitted via IP networks, like the internet. VoIP phones can function through physical phones using VoIP technology, or via virtual phone software that is installed on the computer or mobile device.

There are a variety of network components that are required for making VoIP phones function. VoIP phones receive IP addresses using the Dynamic Host Configuration Protocol which is a software that automatically sets the network as well as the VoIP parameters. Domain name systems track the IP addresses, enabling devices, like IP phones to connect to one with each.

VoIP phones need a variety of protocols to allow the delivery of voice messages via the internet. Click here to learn more about the various VoIP protocols and the reasons behind them.

What are the Benefits of VoIP phones

  • Lower costs. In contrast to traditional PBX, VoIP phone systems only require an internet connection. This can result in significant savings on hardware and infrastructure. VoIP also lets long-distance as well as international calls over the internet without cost.
  • Easy and simple setup. There’s no need to sit for long-winded installations.
  • Additional features. VoIP isn’t just about making calls, it can also allow you to make use of a unified communications solution that comes with a variety of additional features, including call forwarding, call routing and recording, SMS messages, video chats, voicemail and much more.
  • Mobility and flexibility. VoIP doesn’t tie you to a specific workstation providing your company with the ability to accommodate the growing demands for remote work. Workers can work from any location and at any time using any device.
  • Unparalleled security. VoIP services are secured with secure voice between the endpoints of the network. This means VoIP calls are safe from interruptions and threats, such as power failures, storms and malicious attacks.
  • Scalability. Traditional business phones are fixed however VoIP is able to evolve with your. It doesn’t matter if you plan to expand to other places or add foreigners on your staff.

What is a SIP Phone?


Slang to mean Session Initiation Protocol, SIP is a specialized communication protocol that is widely used today to manage diverse multimedia communication sessions like voice calls and video calls. The majority of phones today have SIP capabilities, but it is not the case that all IP phones work with SIP. It is important to take into consideration this when looking to purchase SIP phones. SIP specifies the messages sent between the endpoints, and also oversees the establishment, termination, and other essential aspects of a call. If you’re experienced with PSTN technology, it is easy to think of SIP trunking as trunks of PBX. A crucial point to keep in mind is the fact that SIP phones permit you to transmit all kinds of media and not only voice. They send data packets which can contain voice as well as other information like video.

When people speak of SIP phones, they’re usually talking about an on-premises telephone system, which is similar to ISDN lines, but with the possibility of connecting to the internet. There are a variety of advantages to making use of SIP phones like better quality of calls, more accurate reports, greater control over an in-house system, less cost of life, etc.

How Does a SIP Phone Work?

SIP phones generally are classified into two categories: soft phones and hard phones. Hard phones look like a desktop phone and functions like.

Instead connected to copper cable or the PSTN environment SIP phones connect to the PSTN environment. SIP phones connect to the internet via an Ethernet cable. Hard SIP phones are available in different sizes and styles to fit specific needs of business. SIP phones that are basic can be basic, budget-friendly devices that have simple dial pads, phone tones and routing services.

The most advanced SIP phones may include interactive screens, browsable directories as well as integrations with the top UCaaS software, and much more. Some of the best SIP phones currently available could even feature an all-color display. Some will come with Wi-Fi and Bluetooth connectivity, as well as an integrated camera to facilitate conferences.

Softphones within the SIP world are programs that offer users telephone service capabilities through software that is installed on the smartphone, laptop or a desktop. After the VoIP application has been installed, users can utilize headsets, microphones or other smartphone functions to control calls.

The kind of SIP phone that a company selects to communicate with will affect the features it offers.

What are the Benefits of SIP phones

It can be extremely economical to upgrade to SIP phones, regardless of the scale of your business. There are many benefits to making use of SIP phones.

  • You won’t need the local phone company to provide copper lines.
  • Very little maintenance or configuration, unless you choose to.
  • All employees should be connected in the workplace and remote employees.
  • Utilize encryption for greater security of your calls.
  • The cloud-based control of the phone system allows the instant availability of features any time.

Final Thoughts

If you’re wondering if SIP instead of VoIP is the more effective technology, you’ve probably decided to think about switching to internet-based phone systems. But, SIP vs. VoIP isn’t an exact comparison.

The most important question to ask is whether a voice-only VoIP phone service is the best option for your company’s needs, or if an SIP implementation utilizing Unified Communications tools is a more appropriate choice.

Frequently Asked Questions

What is the purpose of RTP in VoIP?

The Real-time Transport Protocol is a network protocol that allows audio and video streams on the internet, making it possible to use the Voice Over Internet Protocol (VoIP).

RTP is typically used in conjunction with a signaling technology, like SIP which establishes connections over the network. RTP applications can utilize the Transmission Control Protocol (TCP) however the majority use User Datagram protocol (UDP) rather than TCP because UDP facilitates faster transfer of data.

Is SIP more secure than VoIP?

SIP can be more secure than VoIP because it utilizes different encryption techniques to protect communications between devices.

What is better SIP or VoIP?

VoIP is affordable and is relatively simple to install this service that is purely voice. It is possible to enhance VoIP by incorporating SIP capabilities, which provides greater flexibility and can be a Unified Communications (UC) solution. By incorporating SIP, you can reduce cost over time, by streamlining the flow of calls, improving customer experience, and improving the productivity of your staff.

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