FICHE TECHNIQUE

Description du produit

• 4-line IP Phone with Indicators
• 132x64 Graphic LCD Display
• 12 Speed Dial keys with Busy Lamp Field
• SIP RFC3261, Auto Provisioning, Web Management, 2 x IEEE 802.3 10/100 Mbps with Internal Switch
• Includes power supply
• Directory, Voice mail, 4-Way Menu navigation, Volume, Transfer, Conference, Forward, Mute, Hold, Redial, Headset, Full Duplex Speakerphone

Telephony Features

• Call Waiting, Call Hold, Call Transfer, Call Forward, 3-Way Conference, Hot Line, DND, Mute, Speed Dial, Dialing Plan, Phone Book
• Signaling: Caller ID, MWI, DTMF Relay – RFC2833, DTMF via SIP INFO, Configurable Call Progress Tones

Media Processing

• Narrowband Voice Codecs: G.711µ/a, G.729A/B, G.723.1
• Wideband Voice Codecs: G.722
• Echo Cancellation: Acoustic echo cancelation - multiple path, Wideband acoustic echo cancellation
• Packet Loss Concealment: Proprietary, innovative, time variant algorithm
• Silence Suppression: VAD, CNG
• Adaptive Jitter Buffer: 300 MS - adaptive minimum delay buffer

Protocol Support

• VoIP Signaling: SIP – RFC 3261, SIP over TLS
• Data Protocols: IPv4, TCP, UDP, ICMP, ARP, RTP, RTCP, PPPoE, Static IP and DHCP IP Assignment, IEEE 802.1p/Q, QoS/ToS, HTTP/DHCP, CDP VLAN Configuration
• Provisioning & Management: Web Server for Configuration and Management, Configuration update via FTP, TFTP, HTTP, HTTPS