製品仕様：

• Programming by analog phone: Yes
• Place of Origin: Guangdong, China (Mainland)
• モデル番号: SV-308
• 銘柄: vtelecom
• Internal Extensions: 8 Extensions
• External CO Trunks: 3 CO Trunks
• Ext. work with the simple/ regular phone: Yes
• Easy programming and operation: Yes
• color: black
• Certificate: CE