📦 Description: 
The Grandstream GXP2135 is a professional mid‑range IP phone designed for business users who need efficiency and reliability. Supporting 8 lines and 4 SIP accounts, it offers HD audio, dual Gigabit ports, and integrated Bluetooth. With a color LCD display and 32 digitally programmable keys, it is ideal for small to medium businesses and enterprise deployments.

⚙️ Details:

• Product: Mid‑Range IP Phone
• Brand: Grandstream
• Model: GXP2135
• Lines/SIP Accounts: 8 lines / 4 SIP accounts
• Display: 2.8” color LCD screen (320 × 240 pixels)
• Keys: 32 digitally programmable BLF/speed dial keys
• Audio: HD audio on handset and speakerphone
• Network: Dual Gigabit Ethernet ports with PoE support
• Connectivity: Integrated Bluetooth, USB port
• Conference Calls: 4‑way audio conferencing
• Security: TLS/SRTP encryption, secure provisioning
• Features: BLF (Busy Lamp Field), speed dial, call transfer, call park, XML applications
• Application: Small to medium businesses, enterprise users, reception desks, professionals managing multiple lines