Call Features143Parameter phone_setting.ringback_timeout .cfgDescriptionIt configures the duration time (in seconds) in the ringback state.If it is set to 180, the phone will cancel the dialing if the call is not answered after 180 seconds.Permitted Values Integer from 0 to 3600Default 180Anonymous CallAnonymous call allows the caller to conceal the identity information shown to the callee. The callee’s phone LCDscreen prompts an incoming call from anonymity.Anonymous calls can be performed locally or on the server. When performing anonymous call on local, the IP phonesends an INVITE request with a call source "From: "Anonymous" sip:anonymous@anonymous.invalid”. If performingAnonymous call on a specific server, you may need to configure anonymous call on code and off code to activate anddeactivate server-side anonymous call feature.TopicAnonymous Call ConfigurationAnonymous Call ConfigurationThe following table lists the parameters you can use to configure anonymous call.Parameter account.X.anonymous_call[1] .cfgDescription It triggers the anonymous call feature to on or off.PermittedValues0-Off1-On, the IP phone will block its identity from showing to the callee when placing a call. The callee’sphone screen presents “Anonymous” instead of the caller’s identity.Default 0Web UI Account->Basic->Local AnonymousHandset UI OK->Call Features->Anonymous Call->Line X->StatusDD PhoneUI Menu->Features->Anonymous Call->Line X->Local AnonymousParameter account.X.send_anonymous_code[1] .cfgDescription It configures the IP phone to send anonymous on/off code to activate/deactivate the server-side anonym-ous call feature for a specific account.PermittedValues0-Off Code, the IP phone will send anonymous off code to the server when you deactivate the anonym-ous call feature.1-On Code, the IP phone will send anonymous on code to the server when you activate the anonymouscall feature.Default 0Web UI Account->Basic->Send Anonymous CodeParameter account.X.anonymous_call_oncode[1] .cfg
