Grandstream GHP621 Compact Hotel Phone

GHP621 Key Features

2 SIP Accounts, 2 Lines
GDMS online device management and provisioning
3-way audio conferencing

Grandstream GHP621 Compact Hotel Phone

The Grandstream GHP621 is an easy-to-use IP phones for any hotel room that can be programmed and customized based on the needs of hotels and their guests.

Grandstream GHP621 Compact Hotel Phone Features

2 SIP Accounts, 2 Lines Key Feature 1
GDMS online device management and provisioning
3-way audio conferencing for easy conference calls
Integrated dual-band 2.4GHz & 5GHz 802.11 a/b/g/n/ac (GHP621 only)
Includes one 100Mbps network port with PoE (GHP621 only)
Speed dial label and swappable faceplate to allow for easy customization
Hearing Aid Compatibility (HAC)
Enterprise-level protection including secure boot, dual firmware images, and encrypted data storage

This Series features an HD speaker, 2 SIP accounts/lines, 6 programmable keys, 10-speed dial keys, 3-way voice conferencing, supports the full-band OPUS voice codec, and provides an advanced jitter resilience algorithm that tolerates up to 30% packet loss without impacting voice quality.

Grandstream GHP621 Technical Specification

General

Protocols/Standards: SIP: SIP RFC3261, TCP/IP/UDP, RTP/RTCP, RTCP-XR, TLS, SRTP / Network: IPv4, IPv6, HTTP/HTTPS, ARP, ICMP, DNS(A record, SRV, NAPTR), DHCP, SSH, TFTP, NTP, STUN, LLDP, TR-069, 802.1x
Network Interfaces One auto-negotiation 10/100 Mbps ethernet port integrated PoE Class 2
Wi-Fi(GHP621) integrated dual-band 2.4GHz & 5GHz 802.11 a/b/g/n/ac
Feature Keys
23 keys, including 3 programmable keys, 12 Standard Phone Digits keys (0-9: speed dial keys
configuration on web page, *, #), 5 Function keys (Flash, Redial, Hands-free, Voice Mail, Hold), 3
Volume Control keys, Up/Down/Mute(with red color LED)
HD Audio One HD handset support for wide band audio
Voice Conferencing 2 SIP accounts and lines, up to 3-way conferenc
Voice Codecs and Capabilities
Support for G.729A/B, G.711µ/a-law, G.726, G.722 (wide-band), G.723, iLBC, and full band
OPUS. In- band and out-of-band DTMF (in audio, RFC2833, SIP INFO), VAD, AEC, CNG, PLC, AGC,
AJB.
Telephony Features Dial, Answer, Transfer, Conference, Redial, Flash ,Hands-free, Voice Mail (with the server) Hold/
Advanced Features
Support for multicast paging and E911 service
Support for advanced jitter-resilience algorithm
Supports GDS Door Opening
Wall Installation 1 Wall Mountable Base
QoS Layer 2 QoS (802.1Q, 802.1p) and Layer 3 (ToS, DiffServ, MPLS) QoS
Security
Secure boot, random default password, unique security certificate per device, administrator
level passwords, 256-bit AES encrypted configuration file, SRTP, TLS, 802.1x media access
control
Multi-language English and Chinese
Upgrade/Provisioning Firmware upgrade via FTP/TFTP / HTTP / HTTPS, fast boot in 15 seconds, mass provisioning
Power & Green Energy Efficiency
Universal power adapter (GHP610W/GHP611W):
Input: 100~240Vac 50~60Hz
Output: 12V/0.5A(6W)