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,
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
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
Some telephones, depending on the brand and model, have the intercom function, which allows to begin communication by sending the signal. When the signal comes, the telephone set rings a signal different from the standard ring tone call. After that the telephone temporarily switches off from the telephone line and works as an intercom.
Net D Consulting Inc.
Net D Consulting was founded in 2005. With over 60 years of telecommunications management, financial planning and engineering expertise at your disposal to make your company more effective and profitable.
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