Samsung iDCS Key System-iDCS 500 supports VoIP by using ITM(Internet Trunk Module) Card. Without additional equipments, users can access Internet or Intranet and use VoIP Service.

Features 

• ITU-T H.323 V3 Standard Protocol
• Silence Compression:VAD, CNG 
• Echo Cancellation(G.165)
• Audio Codec: G.723.1(6.3K)/G.729A(8K)
• Gain/Volume Control
• Dynamic Jitter Buffer Control
• Internet FAX (T.38,FRF11)
• QoS (RTP Multi-frame Transmission, IP-TOS Control)
• iDCS 500
     - Up to ITM3 6 Card, Max. 96 Channel (8/16 Ch per card)
     - Supports up to 26 Universal Slot and various Line cards
     - Stackable expansion up to 542 lines
     - Q-SIG Networking
     - Supports LAN port 10/100Mbps(Various Data Service)
     - Supports VMS Card (SVMi-8)