... 8M 3* Ethernet: two RJ-45 ports 4* Power: DC 12V,600mA KASDA KT101, the IP Phone applies:a SIP-based phone newly launched ... VoIP service in multi-service environment VoIP Services¨ Compatible with domestic and foreign common softswitch platforms, including ZTE, Huawei ... When no answer),Call wait, Call hold, Call pickup, Multi-way conference, DnD, Call block, etc¨ Primary and backup server connection ...