D-Link D DPH-50U DPH-50U - User Manual

DPH-50U VoIP USB Phone Adapter
Quick User Guide
Version 1.0

D-Link D DPH-50U DPH-50U Specifications

General

Category	Adapter
Model	DPH-50U
Number of FXS Ports	1
Number of LAN Ports	1
VoIP Protocols	SIP
Fax Support	T.38
QoS	Yes
Standards	IEEE 802.3, IEEE 802.3u
Encryption	SRTP, TLS
LED Indicators	Power, LAN, Phone
Operating Temperature	0 to 40°C
Operating Humidity	10% to 90% Non-condensing
Type	VoIP Adapter
Ports	FXS, LAN
Power Supply	5V DC
Product Type	VoIP Adapter
Voice Codecs	G.711, G.726, G.729

Summary

4. DPH-50 U Installation

5. Enabling DPH-50 U

6. DPH-50 U States

6.2 Testing DPH-50 U

7. Making and Receiving Calls

7.2 Switching Between VoIP and Regular Calls

7.3 Conference Call Between VoIP and Regular Calls

7.4 Forwarding Calls

8. Disabling DPH-50 U

9. Uninstall

11. Troubleshooting

Q1. Common Fix

Steps to resolve common issues like no response or no dial-tone.

Q2. Wrong Device Installed

Q3. DPH-50 U does not appear to be responding to incoming calls

Troubleshooting steps for when the DPH-50U fails to respond to incoming calls.

Q4. Cannot hear dial-tone when I pick up the handset connected to the DPH-50 U

How to fix issues related to not hearing dial-tone when picking up the handset.

Q5. Cannot hear the Skype call in telephone handset

Steps to ensure Skype uses the D-Link audio device for calls.

Q6. Call Forwarding is not working properly