Enterprise IP Business Phone (4 Lines) - Expandable to 160 BLF with 4 Extension Modules

• ✓ Supports up to 160 BLF Keys With Four GXP2200EXT Expansion Modules
• ✓ 5 Context-Sensitive XML Programmable Keys for Custom Applications
• ✓ Integrated Electronic Hook Switch for Wireless Headset Compatibility
• ✓ Superior Audio Quality With HD Handset and Speakerphone Performance
• ✓ Automatic Provisioning via TR-069 or Encrypted XML Configuration
• ✓ Advanced Security With SRTP, TLS, and 802.1x Authentication