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4 Carriers Sp. z o.o. Poland

Termination, Call Routing VoIP Solutions, SIP, H.323 Softswitch & CPE, H.323 VoIP Gateway, H.323 Wireless/ GSM VoIP Solutions,

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General office

4 Carriers Sp. z o.o.
Aleje Jerozolimskie 42/67
Warsaw
Mazowieckie ,00-024
Poland

Phone: +48 397 77 77
Phone: +48223977777
Contact Person

Piotr Slowinski
Phone: +48223977777
Phone: +48608303030
  • Wholesale VoIP Carrier
  • Termination
  • Cisco Systems
  • another
NetTEL
Crowley Data Poland Sp. z o.o.
Providers in database: 6433
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India Crystal Voice

Crystalvoice is a leading Voice over Internet Protocol (VoIP) provider and system Integrator. It is dedicated to delivering customer management and billing solutions for individuals, entrepreneurs, carriers, VoIP calling card operators and corporate compa

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