D-Link DPH-541 User Manual

Also see for DPH-541: Specifications Quick install guide

D-Link DPH-541 User Manual 4Troubleshooting1. Unable To Register With The SIP Server?• Make sure the Internet and the SIP proxy server are reachable.• Make sure the SIP account and the password are correct.2. Which Codec Should I Choose?• As which codec choice is depending on what codec is supported on both end of the VoIP host. Generally acodec with low bandwidth consumption and high voice quality is a good codec.3. How Good Is The Call Quality?• Technology advances in IP telephony transportation have made Internet calling as good as or better thannormal PSTN connections. This is mostly effective for high speed Broadband connections, whereas dial upservices have some way to go before delivering the quality of PSTN calling.