Unified communications Manage the performance of your global access numbers

The conferencing sector is more competitive than ever, and quality is increasingly the most important competitive edge.

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Solutions for unified communications providers Choose the product that’s right for your organisation


Voice Assure

Proactive monitoring of audio quality and connectivity.

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Fax Assure

Verification of connection, fax-tone and handshake.

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SMS Assure

Confirming delivery and receipt in SMS applications.

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Solutions tuned to your needs

The Spearline network has physical telephony servers in the markets you need, connected to the carrier networks your customers use.  Servers are connected to fixed-line ISDN/SIP as well as GSM networks, which allow us to dial your local contact numbers in-country, replicating your customers' experience from wherever they are in the world.



voice assure testingAutomated in-country testing of high volumes of global contact numbers

Set your own testing cycles, completely customised to your business needs.



Be the First to knowReal-time alerts on customer impacting issues

Our proactive alerts mean that you're the first to know about customer-mpacting issues - so you can get to work on fixing issues quickly, with the data you need for troubleshooting.



Protect your imageGain information allowing you to take action to protect your brand

Replicating your customer's experience in-country, and protecting your brand from the negative impact of poor service quality. With coverage in 71 countries - the only solution allowing you to replicate the experience of so many customers.


proactive testing and monitoringMeasure what matters


Test for connection success or failure, which could mean the difference between a delighted customer or a lost customer.

Audio quality

Replicate your customers’ experience and measure audio quality with objective, industry standards.

Post dial delay

Measure the delay between the start of the call and when it’s answered, accurately, highlighting any quality issues.

Touch tone

Check if DTMF (touch tones) are failing for your customers.


Replicate the customer call flow and quantify the amount of latency your customers experience.

Performance benchmarking

Measure your performance against in-country benchmarks, so you can see how your telecoms performs against others.

Read more about our test types here

Arnie Chencinski

"Spearline gives us a very flexible dashboard with a user-friendly interface for managing our numbers and scheduling exactly when our tests get run."

Arnie Chencinski, Senior Voice Network Engineer Zoom Video Communications

Rosie Scott

"Spearline provides first rate audio quality testing tools that allow us to enhance our customers' experience. I cannot overstate the value of their solutions."

Rosie Scott, PGI Director of Vendor Management - EMEA PGI

Gregor Rennie

"The platform has been exceptional in our ability to drive carrier improvements, customer fault investigations and alerting of any country issues."

Gregor Rennie , EMEA Carrier Account Manager, West Unified Communications

Pierre-Baptiste Béchu

"Spearline gave us better visibility on the quality of our service, and allowed us to detect and solve issues much faster. It contributed to improving call quality and customer satisfaction."

Pierre-Baptiste Béchu, Tech Co-Founder Aircall

Stamatios Papadatos

"Spearline has been a tremendous partner, enabling us to provide more proactive early detection services, associated with international line incidents that enable a more proactive approach to resolving customer line quality issues in various countries throughout the world. "

Stamatios Papadatos, CCS NAO IT Telecom Lead Architect Atos

Helen Scahill

"Spearline monitoring enables us to proactively manage the service availability of our globally dispersed customer contact numbers. In the event of a service interruption, Spearline's alerts notify our regional NOC teams in real time, with call detail records included to expedite the mean time to restore service. "

Helen Scahill, Intel Service Delivery Manager  Intel

Maximilian May

"Since we started working with Spearline we have found them to be a tremendous partner. Undergoing several large migration and restructuring projects for our communication systems, we utilized Spearline’s automated monitoring features to transform from a mostly reactive approach to a proactive one."

Maximilian May, Technical Lead, Telephony TeamViewer

Unified Communications Learn more

Spearline helps Unified Communications providers to deliver outstanding levels of quality and customer satisfaction.

Improving your Customer Experience with Spearline

Improving your Customer Experience with Spearline

Sep 22, 2020

Knowing your problems before they become a major issue and resolving them quickly can greatly benefit your business.


 Reduce your problem management costs with Spearline's Voice Assure RealTime.

Reduce your problem management costs with Spearline's Voice Assure RealTime.

Sep 15, 2020

Spearline’s Voice Assure - RealTime is a favorite tool for resolver teams.


CEO update: the continuing impact of COVID-19 on telecoms

CEO update: the continuing impact of COVID-19 on telecoms

Sep 11, 2020

At Spearline, we continue to monitor the ongoing COVID-19 situation and its impact on global telecommunications.


It's time to test your global contact numbers with Spearline.

It's time to test your global contact numbers with Spearline.

Sep 10, 2020

A vast majority of companies are unsure why they should be testing their numbers.


WHITEPAPER: Is voice latency impacting your business growth?

WHITEPAPER: Is voice latency impacting your business growth?

Sep 08, 2020

An objective look at the impact of network latency on voice communications.


Ready to get started?

In-country testing for landlines and mobile with no installation.

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