C4 Telecom, S.L. Spain

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General office

C4 Telecom, S.L.
C/ Francisco Suarez, 9
Madrid
Madrid ,28036
Spain

Phone: +34 91789 7150
Site: http://www.c4telecom.com
Contact Person

Guillermo Monguio / WholeSales Manager
Phone: +34 91 789 7150
  • Hosted VoIP billing service provider
  • International VoIP Wholesale Provider
  • Internet Telephony Service Provider
  • Internet VoIP and Video Conferencing Service Provider
  • SIP Billing
  • Voip consulting
  • Voip Termination ISP
  • Billing Software
  • Call Relay VoIP Solutions
  • Call Routing VoIP Solutions
  • E1 Bulk Wholeseller
  • Gatekeepering
  • H.323 Softswitch & CPE
  • H.323 VoIP Gateway
  • H.323 Wireless/ GSM VoIP Solutions
  • PC to Phone
  • Phone To PC
  • Phone To Phone
  • SIP Softswitch & CPE
  • SIP VoIP Gateway
  • Termination
  • Voice and Video Conferencing
  • Cisco Systems
  • Mera
  • Billing system of own development

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