Permite ahorrar costes en llamadas de teléfono mediante la conexión de llamadas desde su dispositivo VoIP (VoIP PBX o teléfono VoIP) a la red GSM y viceversa, GSM LINK - GB 400 010 GSM VOIP Link

to allow calls to mobile numbers to be connected from GSM to VoIP. The most significant savings with the GB 400 010 are valued in: - Buying a SIM card with a flat rate or very low call rate among the numbers within a group. - For international calls, cross borders with the free call via VoIP, you will only pay the national GSM charge for GSM calls. This can be very useful for companies with branches abroad.