Administrator’s Guide for SIP-T2 Series/T19(P) E2/T4 Series/CP860 IP Phones822Text (the ring tone can be configured by the parameter“distinctive_ring_tones.alert_info.X.ringer”). If no internal ringer text maps, the IP phone will playthe preconfigured local ring tone in about 10 seconds.Example:Alert-Info: info=family;x-line-id=0Alert-Info: ;info=familyAlert-Info: ;info=family;x-line-id=0Auto AnswerIf the INVITE request contains the following type of strings, the IP phone will answer incomingcalls automatically without playing the ring tone: Alert-Info: Auto Answer Alert-Info: info = alert-autoanswer Alert-Info: answer-after = 0 (or Alert-Info: Answer-After = 0)If enable auto answer tone feature is enabled, the phone plays a warning tone to alert the userbefore answering the incoming call. For more information on Enable auto answer tone, refer toAuto Answer on page 300.NoteProcedureDistinctive ring tones can be configured using the configuration files or locally.Configuration File.cfgConfigure distinctive ring tones.Parameter:account.X.alert_info_url_enable.cfgConfigure the internal ringer textand internal ringer file.Parameters:features.alert_info_tonedistinctive_ring_tones.alert_info.X.textdistinctive_ring_tones.alert_info.X.ringerIf the Alert-Info header contains multiple types of keywords, the IP phone will process thekeywords in the following order: AutoAnswer>URL>infotext/Bellcore-drN/ringtone-N>MyMelodyN.