VoIP шлюз PLANET VGW-2420FS 24-Port SIP VoIP Gateway (24*FXS): IETF SIP 2.0, T.38 T.30, STUN Outboun

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VGW-2420FS

VoIP шлюз PLANET VGW-2420FS 24-Port SIP VoIP Gateway (24*FXS): IETF SIP 2.0, T.38 T.30, STUN Outbound Proxy, TLS SRTP Security,VLAN, QoS, SNMP, TR069, Caller ID, DND, Three-way conference