DPH-70L User’s Guide
30
Product Feature
Description
Speed Dial button
Press this button followed by number key from 0 – 9 to
dial to that address book entry.
Redial button
Redials the last dialed number.
Enter button
Used as termination key for any parameter entry to phone.
Arrow Keys
Used to browse the text displayed on LCD screen.
Number Keys
0 to 9, #,
∗
:
These are normal number keys and can be used for
dialing or entering digits.
Alphanumeric
Alphanumeric and special characters can also be entered
through keypad.
Speaker Volume Adjustment
Speaker volume can be adjusted using this facility.
Handset Volume Adjustment
This can be used for adjusting the volume switch on the
handset
Software Specifications
G.723.1 is available for modem connection speeds of 16.8 Kbps or
above.
Voice Codec
G.729A/AB is available for modem connection speeds of 24 Kbps or
above.
Voice activity detection,
Silence suppression,
Comfort noise generation
Algorithms minimize the bandwidth requirements.
Internet protocol
IP (RFC0791)
TCP (RFC0793)
UDP (RFC0768)
RTP/RTCP (RFC1889, RFC1890)
SDP (RFC2327)
PPP
(RFC1661) To connect to ISP via dial-up connection.
TFTP
Trivial File Transfer Protocol is used for firmware download.
Reset to factory defaults
After pressing a factory reset key sequence, the phone restarts with
all default parameters. The access sequence is
‘
∗
789
∗
ENTER’.
Configuration using
Keypad
Digits, Special characters and all letters can be entered.
User authentication
Password protection for configuration menu.
Configuration password
Default password is ‘12345’.
Configuration menu
Press MENU
Software upgrade
Access code is ‘
∗
456
∗
’.
Factory reset
Access code is ‘
∗
789
∗
’.
VoIP call volume level
Default is 3
PSTN call volume level
Default is 3
VoIP server address
Default is sip.cityonlines.com (or 202.62.83.106)
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