Configure VOS3000 auxiliary ring tone with flexible activation delay. Set custom ringback tone timing per gateway for optimal caller experience per Manual 2.5.1.1.
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.