User`s guide
Table Of Contents
- Overview
- Unpacking and Installation
- Getting Started
- Internet Phone Calls
- PSTN Phone Calls
- DPH-70 Configuration
- Additional Features
- Appendix A: Procedure for entering alphanumeric and special
- Appendix B: Troubleshooting
- All outgoing calls are PSTN calls. It does not dial in Inter
- “Please configure the phone and try again”
- “Please check the phone line and try again”
- “Password entered is incorrect. Try again”
- “The ISP line is busy, please call after some time”
- “The ISP server is not responding”
- “ISP connection could not be established, try later”
- “Please check your ISP parameters and try again”
- “Bad phone line, Please contact customer support”
- “Please check your calling card parameters and try again”
- “The number you have dialed is not locatable, please check t
- “The number you have called is busy, please call after some
- “Incorrect value. Press ‘1’ to edit, ‘2’ to skip”
- Fast error tone for a short period while disconnection phone
- All outgoing calls are PSTN calls. It does not dial in Inter
- Appendix C: DPH-70 Product Specifications
DPH-70 User’s Guide
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∗#’.
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’.
Calling card configuration
password
Default password is ‘abcd’. If password is not known, press ‘#’ to
come to main menu.
Configuration menu
Access code is ‘∗123∗’.
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)
Software server address Default is dph70.cityonlines.com (or 202.62.83.106)
Safety / EMI Specifications
Standards Compliance FCC Class B part 15 and part 68
Operating Temperature
0 °C to 50 °C
Storage Temperature
-10 °C to 60 °C
Humidity Range 5% to 95% Non-condensing
Dimensions 52 (H) x 206 (L) x 103 mm (without handset)
Weight 800gms
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