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QLab is a smartly designed app allowing operators to perform remote QoS tests for their subscribers whilst they are roaming abroad, helping to improve the overall roaming experience of subscribers. It integrates the SIGOS GlobalRoamer system into Pulse using Restful API to deliver valuable information related to each test, notably PCAP and CDR.


Quality of Service tests available in QLab

Voice Quality


HTTP Browser




Location Update





Covering more than 850 mobile networks in over 210 countries and territories, QLab allows users to get the most out of their roaming agreements.


Value added

QLab is a value added app, facilitating business growth and profitability by improving the quality of service and customer experience whilst reducing churn.

Easy administration

QLab is fully assimilated within Pulse and access is managed by the Pulse administrator within an organisation.
LTE Ready

QLab fully supports 2G, 3G and LTE, and is fully integrated within both the Signalling Tracing and CDR Tracing apps.


Related apps

CDR Tracing

CDR Analysis Tool

Using a scalable and redundant Big Data warehouse, this powerful search engine allows the tracing of every single CDR with search and filter functions.

Signalling Tracing

Troubleshooting Tool

Query the signalling flow for a given subscriber and identify roaming issues.

Request Access to Pulse

Pulse, Comfone’s online business portal fully integrates the complete portfolio of services and apps. If you do not yet have access to Pulse, contact the Pulse administrator in your organisation or contact pulse@comfone.com

For more information on how to set up Pulse, please check out this video.

Global presence

Comfone has regional offices around the globe. Click here to find your regional representative.


Contact us

If you have any questions about any of our services or would like to schedule a meeting, please contact our Key2roam Hub team at soc@comfone.com