D-Link DPH-300S User Manual

Contents

ConfigurationD-Link DPH-300S User Manual 35SIP TELEPHONYDTMF Method – Out-of band Dual Tone Multi-frequency – The DualTone Multi-frequency (DTMF) mode sets how the router will handlethe tones that your telephone makes when you push its buttons. Itis recommended that you use the same mode that your VoIP serviceprovider uses.Payload Type – A payload type is a number from 96 through 127that identifies the type of payload carried in the packet. For example,a payload type of 122 denotes a fax payload. This field is only activewhen the DTMF method is set to RFC 2833.VAD – Voice Activity Detection (VAD) – detects whether or notspeech is present. This lets the router reduce the bandwidth that acall uses by not transmitting “silent Packets” when you are notspeaking.Country Code – You can select the default country code for yourarea.