FEATURES
Technical Specifications
Keys
• 3 LED line keys
• 4 menu keys (corresponding to display)
• Volume keys (+ and -)
• 4-way navigation, along with return and confirm keys
• 9 function keys: handsfree, mute, info, headset, hold, transfer, conference, redial, and hang up
• Standard dial pad
Physical Characteristics
• Dimensions (L x W x H): 214 mm x 191 mm x 47 mm
• Weight: 795 g (with handset and stand)
• Color: Gray
• H3P/H3G 2.8-inch, 132 x 64 black and white display with backlight
• Adjustable stand: 45° & 50°
• Wall mountable (optional accessory)
Telephony Features
• 3 SIP accounts
• Incoming/outgoing/rejected
• Call forwarding
• Call waiting
• Call hold/resume
• Redial
• Speed dial
• Mute/unmute
• Do not disturb (DND)
• Auto answer
• Voicemail
• Local 5-way conference
• Call Log (1000 entries)
• Contacts (1000 entries)
Audio Characteristics
• Full-duplex handsfree
• High-def broadband
• Codec: Opus (NB and WB), G.722, ILBC, G711 (a-law and u-law), G.729AB
• Voice Activity Detection (VAD)
• Comfort Noise Generation (CNG)
• Acoustic Echo Cancellation (AEC)
• DTMF: In-Band, RFC 2833/4733, SIP info
• Hearing Aid Compatible (HAC)
Network, Security, and Other Protocols
• SIP V2: RFC 2474, 2833, 3261, 3263, 3264, 3265, 3325, 3550, 4566, 4568, 5359, 6086, etc.
• Static IP and DHCP
• IPv4
• IEEE 802.1AB/LLDP-MED
• QoS: 802.1p/Q tagging (VLAN), Layer 3 TOS, DSCP
• TFTP/HTTP/HTTPS/TR069
• OPENVPN, 802.1x
• Authentication: basic or digest
• Denial-of-service (DoS) attack prevention
• TLS 1.2/1.0 and SRTP support
• Ships with X509v3 certificate, with support for client certificate installation
Configuration
• Web-based management, phone configuration, and automated configuration
• ALE Easy Provisioning Server (EPS)
• ALE Easy Deployment Server (EDS