Features: - Automatic ISDN Setting (BRI) - Automatic Route Selection (ARS) / Least Cost Routing (LCR) - PC Console/PC Phone - PC Programming - VIP-Call - Visual Caller ID - Digital eXtra Device Port (XDP) - Hands-free Operation - Calling Line Identification Presentation (CLIP) - Direct Dialling Inward (DDI) - ISDN Call Forward (CFU/CFNR/CFB) - Multiple Subscriber Numbers (MSN) ราคา : Call บาท