Our Satisfied Customers
Dialing formats can vary from region to region and/or network to network. Please contact us with any questions or for more details on specific dialing patterns.
These are the most tested from networks in Bulgaria. If you require testing from other networks or have any questions regarding networks in Bulgaria, please contact us for more details.
All GTT testers speak English and at least one of the native languages/dialects spoken in Bulgaria. If you require specific language/dialect support in Bulgaria please contact us for more details.
Dialing formats can vary from region to region and/or network to network. Please contact us with any questions or for more details on specific dialing patterns.
All GTT testers speak English and at least one of the native languages/dialects spoken in Bulgaria. If you require specific language/dialect support in Bulgaria please contact us for more details.
These are the most tested from networks in Bulgaria. If you require testing from other networks or have any questions regarding networks in Bulgaria, please contact us for more details.
GTT’s local testers make live outbound originating test calls from worldwide cities using local landline and mobile networks in order to verify that the local numbers are operational, and to detect issues…
When launching mobile services in new countries, it is imperative to in-country locally test to ensure all services are operational. Improper network provisioning, network inaccessibility, and carrier activation…
In-Country IVR testing of newly installed and/or repaired worldwide IVR platforms confirms they are operational or not. GTT’s local testers make live quality assurance test calls to your IVR platforms after they have been installed…
GTT’s local staff in-country field tests your WIFI hotspots for signal strength, functionality, and connectivity. Customers coordinate detailed testing scenarios with GTT local staff…
Our Co-location services offer unmatched advantages for local installation and hosting of equipment, SIMs, and troubleshooting for a reliable telecom infrastructure…
Reliable mobile app testing is a massive challenge facing mobile apps & games companies worldwide. In fact, statistics show three out of five computerized/electronically tested mobile apps & games…
Ensure your phone lines are fully operational and accessible worldwide. Get reliable, real-time testing with our expert team in Bulgaria.
The comprehensive testing data provided by GTT serves as a valuable resource, empowering us to analyze connectivity trends and proactively address potential roadblocks. Their team consistently exhibits a friendly and helpful demeanor in their correspondence, enhancing our partnership. The value that GTT’s testing services bring to our operations instills us with the confidence to deliver viable and dependable international telephony solutions to our customers. Together with GTT, we are committed to maintaining the highest levels of connectivity and reliability for our clientele.
My colleague used Global Telecom Testing for his new mobile app in 89 countries. I used to rely automated testing but he told me about GTT and I was surprised to learn that GTT uses live testers. I had them test my toll free number list of 2,900 numbers and I got back a 100% accurate result, even in countries like Bangladesh, Latvia, the UK, Nicaragua, Ghana, Bahrain, Korea, and Croatia. Thank you Stephen Levenson for your terrific service.
GTT has local testers in all the countries I wanted to test in and I was able to get accurate results for my mobile apps and toll free phone numbers. First I used their automated testing system to save some money. The gave me credits for failed calls and then I used their inn country international human testers for the rest of the numbers to get complete accurate results. Their mobile app testing service was great too as the actually had professional testers in each country I tested in.

The comprehensive testing data provided by GTT serves as a valuable resource, empowering us to analyze connectivity trends and proactively address potential roadblocks. Their team consistently exhibits a friendly and helpful demeanor in their correspondence, enhancing our partnership.
The value that GTT’s testing services bring to our operations instills us with the confidence to deliver viable and dependable international telephony solutions to our customers. Together with GTT, we are committed to maintaining the highest levels of connectivity and reliability for our clientele.
Typically, completing a telecom test for Bulgarian phone numbers takes a few minutes to several hours. The time depends on the complexity of the test.
For example, simple tests like call quality checks or SMS delivery might take less time, while more intricate tests may require additional time for accurate monitoring and assessment. Our goal is to offer quick yet reliable results for the accuracy and quality of the data you need without unnecessary delays.
Yes, our telecom test results for Bulgaria comply with international standards. We follow global telecom testing best practices to produce precise and reliable outcomes. Whether testing voice, SMS, or other services, our results align with industry benchmarks. This allows you to rely on the data when evaluating service quality and performance in Bulgaria.
Yes, we test international phone numbers originating from Bulgaria. Our services cover both local and international numbers, so you can assess connectivity, call quality, SMS delivery, and overall network performance across global networks. Testing international numbers from Bulgarian networks helps your services maintain smooth communication worldwide.
We offer various telecom tests in Bulgaria, including call quality verification, SMS delivery testing, and number validation. These tests help so that your network operates smoothly, with accurate assessments of voice clarity, message delivery success, and number functionality.
Additionally, we use real-time monitoring to capture the most up-to-date results. This lets you address any issues that may arise quickly and effectively.
We test a wide range of Bulgarian phone numbers, including mobile, landline, UIFN, and toll-free numbers. This allows businesses to assess the full spectrum of their telecom services, no matter if they are focusing on customer support, internal communications, or external business interactions.
By testing different types of numbers, we see to it that all aspects of your telecom network are functioning at optimal levels, from voice calls to text messaging.
We check voice quality by conducting real-time monitoring of calls placed to Bulgarian phone numbers. Our process includes analyzing call clarity, connection stability, and overall voice quality to detect any issues that may impact communication.
Be it dropped calls, poor audio quality, or delays, we identify and document problems to help you improve your telecom services. This thorough testing guarantees a high standard of voice communication.
Yes, we can test SMS delivery to Bulgarian phone numbers. This includes sending and receiving messages successfully, with no delays or failures in delivery.
By conducting these tests, we verify the reliability of your SMS service in Bulgaria and identify any potential issues that could affect your messaging performance. We aim to promote seamless communication for both local and international SMS interactions.
Yes, we can break down test results by region or city in Bulgaria. This feature allows you to assess the performance of your telecom services at a more granular level, helping to identify any regional issues that might affect service quality.
If you are looking to improve coverage in a specific area or optimize performance in a particular city, we can bring detailed insights based on geographic data. This gives you a clearer picture of your service performance across Bulgaria.
To call another country from Bulgaria, dial the international access code 00, followed by the country code and the phone number. For example, to reach the United States, dial 00 + 1 + the area code + the local number.
This international dialing system helps you connect with phone numbers worldwide. It helps maintain smooth communication with businesses, colleagues, or family members abroad.
To dial a local number in Bulgaria, you need to enter the 0 followed by the phone number.
Dialing a toll-free number from Bulgaria is simple. You need to dial the specific toll-free number prefix, typically starting with 0800, followed by the rest of the phone number.
Toll-free numbers in Bulgaria are free for the caller, making them ideal for customer service lines or support centers.
To dial a UIFN (Universal International Freephone Number) from Bulgaria, you need to use the UIFN prefix or exit code, which is +800 or 00800, followed by the number. UIFN numbers are designed to allow businesses to offer a freephone service across multiple countries, making it easier for international customers to reach your service line without incurring charges. Simply dial +800 or 00800 and the UIFN number to connect.
For any specific testing needs or to request a quote, feel free to contact us directly. We are here to support all your telecom testing requirements in Bulgaria, offering reliable results and fast turnaround times.
Ready to get started or learn more about how we can help your business?
Call us at (954) 358-6292 or fill out the form below and a company representative will be in touch within 24 hours.