2 SIP Lines + IAX2 line VoIP Phone Support VLAN,VPN (L2TP) 2 RJ 45 Ports 74 x 28 Graphic LCD SMS Application Features SIP application: support Call forward/ transfer/ holding/ waiting / 3 way talking Call control features: Flexible dial map, Hotline, Empty calling reject, limit call, No disturb, Caller ID Support Phonebook 500 records Incoming calls / Outgoing calls / Missing calls. Each support ...