Grandstream GHP611 Compact IP Phone, Hearing Aid Compatibility (HAC), 3 Programmable Keys

The Grandstream GHP611 is a compact IP phone tailored for hospitality environments such as hotels, hospitals, dormitories, and apartments. Its streamlined design integrates essential telephony features directly into the handset, making it ideal for bedside or wall-mounted installations.​

1. Dual SIP Accounts & Lines: Supports two SIP accounts and lines, facilitating flexible call management.

2. HD Audio: Equipped with an HD speaker on the handset, ensuring clear and high-quality audio.

3. 3-Way Audio Conferencing: Enables easy conference calls among multiple parties.

4. Programmable & Speed Dial Keys: Features 3 programmable keys and 10 speed dial keys for quick access to frequently used functions and contacts.

5. Power over Ethernet (PoE): Includes a 100Mbps Ethernet port with integrated PoE, simplifying installation by eliminating the need for separate power cables.

6. Customizable Faceplate: Offers a swappable faceplate and customizable speed dial labels to align with branding or specific user requirements.

7. Hearing Aid Compatibility (HAC): Designed to be accessible for users with hearing aids.

8. Secure Deployment: Provides enterprise-level security features, including secure boot, dual firmware images, and encrypted data storage.

9. GDMS Integration: Compatible with Grandstream’s Device Management System (GDMS) for centralized provisioning, management, and monitoring of devices.​​

10. Voice Codecs: Supports G.729A/B, G.711µ/a-law, G.726, G.722 (wide-band), G.723, iLBC, and full-band Opus.

11. Advanced Audio Features: Includes Voice Activity Detection (VAD), Acoustic Echo Cancellation (AEC), Comfort Noise Generation (CNG), Packet Loss Concealment (PLC), Automatic Gain Control (AGC), and Advanced Jitter Buffer (AJB).

12. Network Interfaces: One auto-negotiation 10/100 Mbps Ethernet port with integrated PoE (Class 2).

13. Security Protocols: 256-bit AES encrypted configuration files, Secure Real-time Transport Protocol (SRTP), Transport Layer Security (TLS), and 802.1x media access control.

14. Provisioning & Management: Supports firmware upgrades via FTP/TFTP/HTTP/HTTPS, fast boot in 15 seconds, and mass provisioning using GDMS/TR-069 or AES encrypted XML configuration files.