Sistema VOS3000 valor agregado: color ring tone, buzon de voz, alarma vocal, ringtone personalizado y servicios premium para operadores VoIP.
VOS3000 Remote Ring Back Mode Comprehensive Passthrough 183 180 Configuration
VOS3000 remote ring back mode configures ringback tone delivery with Passthrough, 183+SDP, or 180+SDP modes. Control early media and ringback for mapping gateways.