Administrator Level Options41-001160-04 Rev 02, Release 2.5 3-69Administrator OptionsRTP SettingsYou can configure the following RTP settings.Parameter InIP Phone UIParameter inAastra Web UIParameters inConfiguration Files DescriptionRTP Port Base RTP Port sip rtp port The RTP port is used for sendingDTMF tones and for the audiostream. Your network administratormay close some ports for securityreasons. You may want to use thisparameter to send RTP data using adifferent port. Default is 3000.For more information, see Chapter4, “Real-time Transport Protocol(RTP) Settings” on page 4-95.N/A Basic Codecs(G.711 u-Law,G.711 a-Law, G.729)sip use basic codecs Enables or disables basic codecs.Enabling this parameter allows theIP phone to use the basic Codecswhen sending/receiving RTPpackets. Valid values are 0(disabled) and 1 (enabled). Defaultis 0 (disabled).For more information, see Chapter4, “Real-time Transport Protocol(RTP) Settings” on page 4-95.N/A Force RFC2833 Outof Band DTMFsip out-of-band dtmf Enables or disables out-of-bandDTMF. Enabling this parameterforces the IP phone to useout-of-band DTMF according toRFC2833. Valid values are 0(disabled) and 1 (enabled). Defaultis 1 (enabled).For more information, see Chapter4, “Real-time Transport Protocol(RTP) Settings” on page 4-95.
