2316 CHAPTER 134: E1 AND T1 CONFIGURATIONplaced, local TDM calls can still be placed. Therefore, you can configure thiscommand even if no DSP resource is available.Configuring the VoiceSubscriber Line for aTS SetA TS set is a list of timeslots on an E1/T1 interface which abstractly forms a logicalvoice subscriber line used for the configuration of R2 signaling, digital E&Msignaling, digital LGS signaling and other voice functions. For each TS set, thesystem automatically creates a logical voice subscriber line numbered in the formof E1/T1 interface number:TS set number. On the voice subscriber line, you canconveniently configure signaling and other voice functions for the correspondingE1/T1 line. Note that on each E1/T1 interface you can create only one TS set.n ■ Below, the digital subscriber lines have the same functions as the analogsubscriber lines do. For details, refer to “Voice Subscriber Line Configuration”on page 2245.■ For the description, shutdown, private-line, receive gain, transmit gain,echo-canceller, nlp-on, cng-on, private-line, and substitute commands,refer to “VoIP Overview” on page 2243.ConfigurationPrerequisitesComplete basic parameters configuration for the VE1/VT1 interface you areworking with.Configuring BasicFunctions for the VoiceSubscriber LineFollow these steps to configure the basic functions for the voice subscriber line:Configuring the DTMFDetection SensitivityUse the dtmf threshold digital command to configure the DTMF detectionsensitivity. A high DTMF detection sensitivity indicates a high tolerance of DTMFTo do... Use the command... RemarksEnter system view system-view -Enter E1/T1 interface view controller { e1 | t1 } number -Create a TS set and define itssignaling typetimeslot-set ts-set-numbertimeslot-list timeslots-list signal{ e&m-delay | e&m-immediate| e&m-wink | r2 | fxo-ground |fxs-loop | fxs-ground |fxo-loop | r2 }RequiredExit E1/T1 interface view quit -Enter voice view voice-setup -Enter voice subscriber lineviewsubscriber-lineslot-number:ts-set-number-Configure a companding lawfor signal quantizationpcm { a-law | Œº-law } OptionalA-law for a VE1 interfacecard and Œº-law for a VT1interface card by default.Create a description for thevoice subscriber linedescription string OptionalNo description exists bydefault.Shut down the voicesubscriber lineshutdown OptionalThe voice subscriber line isup by default.
