AudioCodes SFB 457 Technical Specification
Phone Features
- VoIP Services: Skype
- Call Services: Caller ID, Call Waiting, Call Forwarding, Call Transfer, Call Hold
- Dialer Location: Base
- Speakerphone: Yes
- Indicators: Voice message waiting indicator
- Additional Functions: Mute
IP Telephony
- Main Features: Multiple VoIP protocol support, integrated Ethernet switch
- VoIP: Yes
- VoIP Protocols: SIP, SDP
- Voice Codecs: G.722, G.729a, G.711u, G.711a, G.729b
- Lines Supported: 8 lines
- Quality of Service: IEEE 802.1Q (VLAN), IEEE 802.1p, Type of Service (ToS)
- IP Address Assignment: DHCP, static
- Security: IEEE 802.1X, TLS
- Power Over Ethernet (PoE) Support: Yes
- Network Protocols: TCP, TFTP, UDP, ICMP, ARP, HTTP, HTTPS, Link Layer Discovery Protocol (LLDP), SRTP, RTCP, RTP
- Network Ports Qty: 2 x Ethernet 10Base-T/100Base-TX/1000Base-T
- Voice Features: Voice activity detection (VAD), HD Voice, acoustic echo cancellation (AEC), packet loss concealment (PLC), adaptive jitter buffer (AJB)
- Network Features: Lightweight Directory Access Protocol (LDAP)
Display
- Type: LCD display – colour
- Display Location: Base
- Diagonal Size: 5″
- Display Resolution: 800 x 400 pixels
- Backlit: Yes
- Display Languages: Hebrew, Hungarian, Czech, Slovak, Japanese (Kanji), Chinese (traditional), Chinese (simplified), Ukrainian, Japanese (Hiragana), English, German, French, Italian, Portuguese, Polish, Finnish, Russian, Spanish, Turkish, Korean, Japanese (Katakana)
- Features: Touch screen
Miscellaneous
- Connections: Headset jack / RJ-9 USB
Dimensions & Weight (Base)
- Depth: 19.05cm (7.5 in)
- Height: 17.01cm (6.7 in)
- Width: 23.36cm (9.2 in)
- Weight: 1.27kg (2.8 lbs)