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Caller ID:
● IP side display H323-ID and E.164.
● Display the count of total call received.
● Display un-answered call name, number.
● Show caller’s name, number, calling time.
Volume Adjustment:
● Speaker volume level adjustable.
● Handset Receiver volume level adjustable.
LCD:
● 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:
● SP5100 IP Phone KEYPAD
● TELNET
● Web Browser
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