What is Elastic SIP Trunking? PRI vs SIP at a glance

elastic sip trunking

Elastic SIP Trunking is a type of Voice over Internet Protocol (VoIP) service that allows businesses to make and receive phone calls using a broadband internet connection. With Elastic calling, phone calls are transmitted as digital data packets over the internet, rather than over traditional telephone lines. This allows businesses to make and receive phone calls from anywhere with an internet connection, and can potentially save them money on phone service costs.

Let’s learn more about the elastic sip!

What is Elastic SIP Trunking?

Elastic SIP Trunking is a type of Voice over IP (VoIP) service that allows businesses to make and receive phone calls over the internet. It uses the Session Initiation Protocol (SIP) to establish, maintain, modify and terminate voice and video communication sessions. Elastic calling can be used with a PBX (Private Branch Exchange) system or a VoIP gateway to connect a business’s phone system to the public telephone network, or to a VoIP service provider. It provides an alternative to traditional phone lines, such as analog or digital T1/E1 lines, and can be used to reduce phone costs and increase flexibility for businesses.

What Are The Advantages?

Here are some advantages of using Elastic SIP:

  • Cost savings: Elastic SIP Trunking can be more cost-effective than traditional phone lines because it uses the internet to transmit calls, rather than dedicated phone lines. This can reduce the cost of long distance and international calls.
  • Scalability: Elastic SIP Trunking can be easily scaled up or down to meet the changing needs of a business. It’s easy to add or remove phone lines as needed, without incurring additional costs or requiring additional hardware.
  • Flexibility: SIP Trunking allows businesses to route calls to any device, such as a desk phone, a mobile phone, or a computer, which can increase flexibility and mobility for employees.
  • Reliability: Elastic SIP Trunking can be configured with backup and failover options to ensure that calls can still be made and received in the event of an internet outage or other network issue.
  • Advanced features: Elastic calling can provide advanced features such as call forwarding, caller ID, voicemail, and call waiting, which can enhance the functionality of a business’s phone system.
  • Integration with other applications: Elastic SIP Trunking can be easily integrated with other applications, such as customer relationship management (CRM) software, which can help businesses streamline their processes and improve customer service.
  • Improved call quality: SIP Trunking can provide high-quality calls because it uses internet protocol (IP) networks, which are designed to transmit data efficiently.
  • Easy setup: SIP Trunking can be quickly and easily set up, as it does not require the installation of additional hardware or phone lines.
  • Ease of use: SIP Trunking is easy to use, as it works with most PBX systems and VoIP gateways. It also allows users to make and receive calls from any device with an internet connection.
  • Increased productivity: Elastic SIP Trunking can increase productivity by allowing employees to make and receive calls from anywhere, at any time, using their preferred device.
  • Customization: SIP Trunking can be customized to meet the specific needs and preferences of a business, such as call routing rules, call routing priorities, and call handling options.
  • Advanced call routing: SIP Trunking can provide advanced call routing options, such as time-of-day routing, call forwarding based on caller ID, and call routing based on the availability of employees.
  • Disaster recovery: Elastic SIP Trunking can provide a disaster recovery solution for businesses, as it allows calls to be routed to alternative locations in the event of an emergency or natural disaster.
  • Remote work: SIP Trunking can enable remote work by allowing employees to make and receive calls from anywhere, as long as they have an internet connection.
  • Environmental benefits: SIP Trunking can have environmental benefits by reducing the need for physical phone lines, which can reduce energy consumption and carbon emissions.
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How Does It Work?

Elastic SIP Trunking works by using the Session Initiation Protocol (SIP) to establish, maintain, modify and terminate voice and video communication sessions over the internet. Here’s how it works:

  1. A business subscribes to a Elastic SIP Trunking service from a provider.
  2. The SIP Trunking provider assigns the business a unique SIP address and a phone number.
  3. The business’s PBX system or VoIP gateway is configured to use the SIP Trunking service.
  4. When an incoming call is received, the SIP Trunking provider routes the call to the business’s PBX system or VoIP gateway using the assigned SIP address.
  5. The PBX system or VoIP gateway then routes the call to the appropriate phone or device.
  6. To make an outbound call, the business’s PBX system or VoIP gateway sends a request to the SIP Trunking provider, which routes the call to the public telephone network or to another VoIP service.
  7. The call is then connected to the intended recipient.

Elastic SIP Trunking allows businesses to make and receive phone calls using their existing phone system or VoIP gateway, but over the internet instead of traditional phone lines. It provides an alternative to traditional phone lines and can be used to reduce phone costs and increase flexibility for businesses.

What is the difference between PRI and SIP?

Let’s see the PRI vs SIP:

PRI (Primary Rate Interface) and SIP (Session Initiation Protocol) are two different technologies used for transmitting phone calls. Here is a comparison of the main differences between PRI and SIP:

  • Transport: PRI uses traditional phone lines (T1 or E1) to transmit calls, while SIP uses the internet to transmit calls.
  • Call capacity: PRI lines can support a fixed number of call channels (typically 23 for T1 and 30 for E1), while SIP can support an unlimited number of call channels (depending on the bandwidth of the internet connection).
  • Cost: PRI lines can be more expensive to install and maintain than SIP, as they require dedicated phone lines. SIP can be more cost-effective because it uses the internet to transmit calls, rather than dedicated phone lines.
  • Scalability: SIP is more scalable than PRI, as it can easily be scaled up or down to meet the changing needs of a business. Adding or removing phone lines with PRI can be more difficult and may require additional hardware.
  • Features: SIP can provide advanced features such as call forwarding, caller ID, voicemail, and call waiting, while PRI may not offer all of these features.
  • Integration: SIP can be easily integrated with other applications, such as customer relationship management (CRM) software, while PRI may not offer this capability.
  • PRI Trunking: The PRI is a single physical link with 23 audio channels. Although your business may choose to have up to 100 phone numbers in a single PRI, it can handle 23 simultaneous calls with a single PRI. however, this single PRI can only handle 23 phone calls at a time.
  • SIP Trunking: SIP enables businesses to use existing Ethernet as an audio solution. SIP connects your existing PBX exchange to a data network. This virtual connection uses a different model to establish the connection.
  • Expanding with PRI: Since each PRI connection provides a maximum of 23 simultaneous calls, a business that requests more will need to purchase additional PRI lines.
  • Expanding with SIP: Adding users to SIP Trunking is easy. This number can be adjusted according to your need.

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