• Dialing
• Hang up
• Volume Control
• Last number redial
• Pause
• Caller ID display
• Use * to correct a number

Before setting up MeritPhone ML321, you need supply a computer with:

• 233MHz Intel Pentium II or above CPU, 32MB of RAM (Recommend 64MB or more), 10MB Hard drive
• USB 1.1 interface or above
• Microsoft Windows 98/ME/2000/XP
• Internet access with a connection speed above 28.8kbps

NOTE: If your computer is behind a firewall or you use proxy, then you may experience difficulties getting the MeritPhone-ML321 work. If so, please contact your network administrator or our technical support.

• Access to GateKeeper
• Online software update
• Silence detection
• CNG (Comfort noise generation)
• Dynamic voice jitter buffering
• Can be used in locking and screen saving modes
• Optional dial-tone and ring-tone

• 195x155x70 mm (L x W x H)

• Delay: Less than 400 ms
• Jitter: Less than 100 ms
• Packet lost percentage: Less than 10%
• Bandwidth: More than 28.8 Kbps