NRP1000 Series IP Phone User ManualNew Rock Technologies, Inc. 5-29Set by web Description ExampleIf your dialed phone number starts withyour set phone number. The phone willsend out your dialed phone numberadding suffix number.When you dial “147”,the number that theSIP1 server receivesis “1470011”.5.6 Phone5.6.1 AudioIn this page, you can configure voice-relevant parameters.Figure 5-19 Audio setting interfaceTable 5-18 Audio setting parametersName DescriptionFirst Codec Specifies the first preferential DSP codec. The value can be G.711A/u, G.722, G.723.1,726-32 G.729AB, or None.Second Codec Specifies the second preferential DSP codec. The value can be G.711A/u, G.722,G.723.1,726-32 G.729AB, or None.Third Codec Specifies the third preferential DSP codec. The value can be G.711A/u, G.722,G.723.1, 726-32 G.729AB, or None.Fourth Codec Specifies the forth preferential DSP codec. The value can be G.711A/u, G.722,G.723.1, 726-32 G.729AB, or None.Fifth Codec Specifies the fifth preferential DSP codec. The value can be G.711A/u, G.722,G.723.1, 726-32 G.729AB, or None.Sixth codec Specifies the sixth preferential DSP codec. The value can be G.711A/u, G.722,G.723.1, 726-32 G.729AB, or None.Onhook Time Specifies the minimum response time of Hand down. The default value is 200, in ms.