Administrator’s Guide for SIP-T2 Series/T19(P) E2/T4 Series IP Phones4142. Select the desired value from the pull-down list of RFC 2543 Hold.3. Click Confirm to accept the change.Music on Hold (MoH) is the business practice of playing recorded music to fill the silence thatwould be heard by the party who has been placed on hold. To use this feature, specify a SIP URIpointing to a MoH server account. When a call is placed on hold, the IP phone will send anINVITE message to the specified MoH server account according to the SIP URI. The MoH serveraccount automatically responds to the INVITE message and immediately plays audio from somesource located anywhere (LAN, Internet) to the held party. For more information, refer to draftRFC draft-worley-service-example.NoteProcedureMusic on hold can be configured using the following methods.Central Provisioning(Configuration File).cfgConfigure music on hold on aper-line basis.Parameter:account.X.music_server_uriConfigure the way on how the IPphone processes music on holdwhen placing an active call on hold.Music on Hold is not available on all servers. It is no need to specify the SIP URI if the MoHfeature is enabled by default on the server and the server can play audio to the held party. Formore information, contact your server administrator.