icon-img-1

Extensive Support

Empowering Success with OLYS, Where Extensive Support Fuels Your Business Communication Journey.
icon-img-3

Revolutionizing VoIP

We devolop new tools to accommodate a growing number of users, devices, and services for seamless operation.
icon-img-2

Our Service Grid

Our service infrastructure is designed with redundancy and reliability in mind, utilizing a distributed system.

Know Your Product

Seamless Two-Way SIP Trunking with Mission-Critical Reliability!

SIP trunking empowers businesses to run their phone systems over the internet, replacing the need for physical copper lines and on-premise solutions. OLYS SIP Trunking offers flexibility in telephony management, ensuring businesses can optimize their communication strategies while enjoying enhanced voice quality over the PSTN.

Premium Quality Origination & Termination

Powerful SIP Trunking Coverage

SIP Trunking Coverage

Built for Power Users

SIP Trunking Features

01

Quality VoIP

SIP traffic routed through OLYS high-capacity platform ensures superior audio quality and unwavering reliability, contributing to a greater uptime.
02

Scalable VoIP

Easily adjustable call capacity and sophisticated trunk setups to cater to the distinct communication requirements of both operators and enterprises.
03

Advanced Online Monitoring

OLYS Flexible CSS Portal offers SIP Trunk settings, monitoring tools and CDRs generated on a per SIP trunk basis.
04

Advance Debugging

Integrated diagnostic tools into our portal, providing you with comprehensive visibility to troubleshoot your calls independently, eliminating the need to contact support.
05

Alerting and Reporting

Establish notifications for account balance, auto-replenishment, call metrics, and any potentially fraudulent or suspicious activities.
06

Emergency Calling

Include a bearer in your account to ensure compliance with in-plan calls to E911 numbers, enabling automated routing to the nearest PSAP for full regulatory adherence.
Facilitating Your Global Expansion is Effortless

SIP Trunk Types

* Country and Trunk Specific Features. Additionally, some features might incur extra charges as add-ons.

Tech FeaturesUK SIP - StandardUK SIP - BundleUK SIP - FlexUK SIP - FailoverINTL SIP - International BreakoutINTL SIP - Local Breakout
TCP/ UDPSupportedSupportedSupportedSupportedSupportedSupported
TLSSupportedSupportedSupportedSupportedSupportedSupported
Codec - G722, G729, PCMA/USupportedSupportedSupportedSupportedSupportedSupported
CLI - PassthroughYesYesYesOLYS Numbers OnlyOLYS Numbers Only
Emergency ServicesOn RequestOn RequestOn RequestOn RequestNoOn Request
VoicemailYesYesYesYesYesYes
IP AuthenticationYesYesYesYesYesYes
Fax T.38YesYesYesYesYesYes
ACLYesYesYesYesYesYes

UK Standard SIP Trunk

UK SIP - Standard is a basic SIP trunk service for the UK market. Charges are based on usage and ideal for Small Businesses. This product typically includes:

Pay-as-you-go Pricing
Free Bearer Number
Fix Number of Channels
Basic Features Call Forwarding, Voicemail, and Caller ID

UK Bundled SIP Trunk

UK SIP - Bundle is a SIP trunk service with bundled minutes for UK-based customers. Helps to manage telecom budgets with fixed monthly costs.

Free Bundled Minutes
Free Bearer Number
Fix Number of Channels
Basic Features Call Forwarding, Voicemail, and Caller ID

UK Flex SIP Trunk

UK SIP - Flex is a more flexible SIP trunk service tailored for varying usage patterns. Catering to businesses with fluctuating call volumes.

Pay Less for Your Usage
Free Bundled Minutes
Free Bearer Number
Free Failover SIP Trunk + Basic Features Call Forwarding, Voicemail, and Caller ID

International SIP Trunk- Intl. Breakout

INTL SIP - International Breakout is designed for businesses that need to make a significant number of international calls. This product typically includes:

Pay-as-you-go Pricing
Global Reachability
Basic Features Call Forwarding, Voicemail
Fix Number of Channels

International SIP Trunk- Local Breakout

INTL SIP - Local Breakout is a SIP trunk service that provides local call termination in various international markets. This product typically includes:

Pay-as-you-go Pricing
Competitive Local Rates
Basic Features Call Forwarding, Voicemail
Fix Number of Channels

UK Failover SIP Trunk

UK SIP - Failover is a SIP trunk service with built-in redundancy and failover capabilities. Ensures continuous service by automatically switching to a backup SIP trunk in case of a failure.

High Availability
Multiple Redundant Paths
Basic Features Call Forwarding, Voicemail
Fix Number of Channels

Requirement Identification

Determine Call Volume
Estimate the number of concurrent calls and overall call volume.
Identify Call Types
Distinguish between local, long-distance, and international calls.
Feature Needs
Identify necessary features such as voicemail, call forwarding, or E911.

Compatibility Check

PBX Compatibility
Verify that your existing infrastructure is compatible with SIP trunking. Check that your PBX or IP-PBX system supports SIP Trunking.
Codec Support
Check compatibility with required codecs like G.711 or G.729.
Equipment
Verify that routers and firewalls can handle VoIP traffic.

Resource Allocation

Technical Person
Ensure to have a technical person to Configure SIP Trunk on the PBX. Usually its the PBX maintenance company,
Bandwidth Assessment
Ensure adequate internet bandwidth for expected call volume.
Power Backup
Ensure an uninterrupted power supply for network devices.

Network Whitelisting

Firewall Configuration
Configure firewalls to allow SIP traffic on necessary ports.
IP Addresses
Whitelist the IP addresses and Ports of the OLYS Network on the Firewall to allow SIP Traffic.
QoS Settings
(Optional) Prioritise SIP traffic to ensure call quality. These settings helps prioritize SIP traffic, ensuring high call quality and reducing latency or jitter.

Order Services

Trunk Selection
Choose a SIP trunk based on your requirements.
Plan Selection
Select the appropriate plan that fits your call volume and features. Such as Bundle Trunks, Flex Trunks with their appropriate channel capacity for your business requirement.
Start Configuring
Now you can start configuring and use our services boost your business communication seamlessly!

How It Works?

At OLYS, our advanced system and network inspire customer confidence, allowing them to effortlessly acquire and allocate SIP trunks and configurations using an intuitive interface. This efficient approach markedly diminishes the time and technical expertise traditionally required for establishing your VoIP infrastructure.

Sign up for the Customer Self Service (CSS) Portal with OLYS to get started with numbers.

Use OLYS number search tool to look for numbers by region or area code. When you’ve found your perfect one add it to your cart and check out.

 

Use OLYS CSS Portal to order your SIP Trunks which suites your business model. When you’ve found your perfect one add it to your cart and check out.

 

Assign your new number to a SIP connection profile from your  CSS Portal account. 

Engage in seamless conversations—make calls, receive calls, all with your new number in the portal.

Simple Pricing

Choose Your Plan

UK Standard SIP Trunk

£
5
/ per month
Free Setup
  • Free Bearer Number
  • Pay as You Go
  • Per Channel Price
  • No Inclusive Minutes

UK Bundle SIP Trunk

£
10
/ per month
£30 Setup fee
  • 1500 Inclusive UK Minutes
  • Free Bearer Number
  • Per Channel Price
  • No Failover Included

UK Flex-10 SIP Trunk

£
80
/ per month
£50 Setup fee
  • 10,000 Inclusive UK Minutes
  • 10 Channel Trunk
  • Failover Trunk (Pending)
  • Free Bearer Number

UK Failover SIP Trunk

£
4
/ per month
£20 Setup fee
  • Per Trunk Price
  • High Availability
  • Automatic Failover
  • No Inclusive Minutes

International Breakout

£
12
/ per month
£20 Setup fee
  • Per Channel Pricing
  • Pay as You Go
  • Secure VoIP Service
  • Worldwide Termination

Local Breakout

£
12
/ per month
£20 Setup fee
  • Per Channel Pricing
  • Pay as You Go
  • Competitive Local Rates
  • Local Dialling and Emergency Services*

Our Testimonials

What They Are Talking About Olys

"OLYS has truly revolutionized our communication infrastructure with their SIP Trunks. The flexibility and ease of managing them through their platform are remarkable. We've gained unparalleled control over our voice services, and the user-friendly interface empowers us to make real-time adjustments effortlessly. OLYS has set a new standard for SIP Trunking, providing us with the flexibility we need to tailor our communication solutions precisely to our business requirements. It's a game-changer!"