Configuring Call Hold 2429system-view[Sysname]voice-setup[Sysname-voice]subscriber-line 1/0[Sysname-voice-line1/0]call-waiting enableConfiguring Call HoldConfigurationPrerequisitesThe router is equipped with an FXS voice interface card.Configuring Call HoldUsing Command LinesFollow these steps to enable call hold and configure the maximum time length theheld party waits:n Currently, the call hold feature applies only to the held party of a SIP call. For othertypes of calls such as local call and H.323 call, whether the held party can besuccessfully held has nothing to do with the configuration of this command.Configuring Re_InviteMessageImplementation MethodFollow these steps to configure the implementation method of the Re_Invitemessage:Configuration Example The call hold feature is enabled for the voice subscriber line of Telephone A.Telephone A and Telephone B are in a conversation. Telephone A can interrupt theconversation with Telephone B by performing a hookflash, and place a call toTelephone C after hearing a dial tone. After the call with Telephone C isestablished, Telephone A can switch between Telephone B and Telephone C byperforming a hookflash.# Enable call hold for the voice subscriber line of Telephone A.To do... Use the command... RemarksEnter system view system-view -Enter voice view voice-setup -Enter voice subscriber lineviewsubscriber-line line-number -Enable call hold call-hold enable RequiredDisabled by default.Configure the maximum timelength the held party waitscall-hold timer length Optional1,440 minutes, namely, 2hours by default.This command applies only tothe held party.To do... Use the command... RemarksEnter system view system-view -Enter voice view voice-setup -Enter SIP client view sip -Configure theimplementation method ofthe Re_Invite messagesip-comp call-hold-format{ inactive | sendonly }Requiredinactive by default.
