Grandstream Networks GXP2110 User Manual page 10

SEND
TRANSFER
CONF
MUTE
DND
HEADSET
INTERCOM
PHONEBOOK
MSG
MENU
NAVIGATION (4)
Device NAT-friendly remote software upgrade (via TFTP/HTTP) for deployed devices
including behind firewall/NAT
Management
Auto/manual provisioning system, GUI Interface
Support Layer 2 (802.1Q, VLAN, 802.1p) and Layer 3 QoS (ToS, DiffServ, MPLS)
Expansion interface, Address Book
Audio Features Full-duplex hands-free speakerphone, headset enabled
Advanced Digital Signal Processing (DSP)
Dynamic negotiation of codec and voice payload length
Support for G.723,1 (5.3/6.3K), G.729A/B, G.711 a/µ-law, G.726-32, G.722 (wide-
band), and iLBC codecs
In-band and out-of-band DTMF (in audio, RFC2833, SIP INFO)
Silence Suppression, VAD (voice activity detection), CNG (comfort noise
generation), ANG (automatic gain control)
Acoustic Echo Cancellation (AEC) with Acoustic Gain Control (AGC) for
speakerphone mode, Support side tone
Adaptive jitter buffer control (patent-pending) and packet delay & loss concealment
Telephony Intuitive graphic user interface (GUI), downloadable phone book (XML, LDAP),
support for anonymous call using privacy header, MLS (multi language support)
Features
Voice mail indicator, downloadable custom ring-tones, call hold, call transfer
(attended/blind), call forward, call waiting, caller ID, mute, redial, call log, caller ID
display or block, Do-Not-Disturb (DND) and volume control
Multi-party conferencing (up to 5), dial plan prefix, dial-plan support, off-hook auto
dial, auto answer, early dial and speed dial.
Network and Via keypad/LCD, Web browser, or secure (AES encrypted) central configuration file,
manual or dynamic host configuration protocol (DHCP) network setup
Provisioning
Support NAT traversal using IETF STUN and Symmetric RTP
Support for IEEE 802.1p/Q tagging (VLAN), Layer 3 TOS
Firmware Support firmware upgrade via TFTP or HTTP,
Upgrades Support for Authenticating configuration file before accepting changes
User specific URL for configuration file and firmware files
Message waiting indication, support DNS SRV Look up and SIP Server Fail Over,
Advanced
Server Features Support customizable idle screen via downloading XML by HTTP/TFTP
Security User and administrator level passwords, MD5 and MD5-sess based
authentication, AES based secure configuration file, SRTP, TLS, 802.1x
media access control
Grandstream Networks, Inc.
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GXP2110 User Manual
Firmware 1.0.0.44
Page 10 of 42
Last Updated: 09/2010