Huawei eSpace 6850 User Manual page 10

Huawei IP Phone eSpace 6850
User Manual
Item
Function keys
Device management
Audio features
Telephony features
Network and
provisioning
Software upgrade
Issue 01 (2012-06-20)
Specification
 Eleven fixed feature keys: Hold, SEND, SPEAKER, Headset
Mode, TRNF (transfer), CONF (conference), MUTE/DEL,
DND, INTERCOM, Phone Book, and MSG (message).
 Five navigation keys.
 18 multi-purpose keys and Three soft keys.
Supporting the upgrade of the NAT-friendly remote software
(through TFTP or HTTP) for the devices that are deployed
behind the firewall or the NAT.
Supporting the address book function.
Handset, Hands-free, and headset modes in full duplex.
Advanced DSP.
Dynamic negotiation of codec and voice payload length.
HD Voice.
Supporting the G.723.1, G.729AB, G.711 A-law/μ-law, G.726,
G.722 , and iLBC CODECs.
In-band and out-of-band DTMF (in audio, RFC2833, or SIP
INFO mode).
Echo Cancellation.
Supporting the sidetone cancellation, advanced jitter buffer
control, and packet delay and loss concealment.
Intuitive GUI, import ringtone.
Call holding, call transferring, Do-Not-Disturb, call forwarding,
call waiting, call waiting mute, redial, call log, volume control,
caller ID display, 3-way conferencing, auto answer, dial plan,
speed dial, call waiting , anonymous call.
Supporting manual configuration for static network through
keyboard and LCD, or by logging in to the Web page. Dynamic
network parameters are provided by the DHCP server.
Supporting NAT traversal by using IETF STUN and symmetric
RTP.
Supporting AES-based IP phone configuration file update.
Supporting 802.1x-based network accessing authentication.
Supporting the IEEE 802.1p/q tagging (VLAN) and ToS/DSCP
protocols.
Supporting firmware upgrade through TFTP or HTTP and
authentication of configuration files before changing.
Providing the specific URL for users to download configuration
files and upgrade files.
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Copyright © Huawei Technologies Co., Ltd.
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