製品仕様：

• Three-way conferencing: support
• Program by analog phone: YES
• Power failure tolerant: Support
• モデル番号: SV308
• 銘柄: vtelecom
• Intercom call: Yes
• Extensions Ports: 8
• color: black
• Caller ID: YES
• Call hold, transfer: support
• C.O Lines Ports: 3
• Analog mini PABX: Yes