LCD:
2 lines, 24 character Dot Matrix display.
Indicator messages of HOLD, MUTE, PSTN, Directed Line 1~10.
Display current date and time.
Display of call duration.
Audio features:
Codec -- G.711 a/µlaw, G.723.1 (6.3Kbps),G.729, G.729a
VAD (Voice Activity Detection), CNG (Comfort Noise Generate)
G.168/165-compliant adaptive echo cancellation
Dynamic Jitter Buffer
Bad Frame Interpolation
Provide H.245 Out-band DTMF message
Call Transfer (H.450.2)
Call Forward (H.450.3)
Call Hold (H.450.4)
Gain (Voice Volume) Settings
Provide Call Progress Tone: Dial tone, busy tone, call-holding tone and ring-back tone
Firmware Upgrade:
Firmware version displayed on LCD.
Two ways to upgrade firmware:
- Download by KEYPAD configuration.
- Download by Telnet.
Management Features:
Two easy ways for system configuration
-
TELNET
-
IP PHONE KEYPAD (can only upgrade application rom file)
-
Web Browser
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