* VPN Support (Additional Cost) * Softphone with G.729 codec * CRM solution: Click to Talk * Customized skin interfaces * Mutilingual support(Japanese, Portuguese etc.) * Call timer * Display Balance * Last Number Redial * Local signaling (Dial tone, busy, ring back, etc.) for user comfort * Touch Tone * Address Book * Microsoft Outlook Sync with Address Book * Micro Phone Volume Control * Speaker Volume Control * Small application * Work with any full-duplex sound card * UPNP NAT/Firewall support, stable SIP RTP ports * Auto-configuration of settings for easy deployment * Configuration Wizard * Uses NEW RFC 3261 compliant stack * DNS support