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This topic describes common AT0 trunk faults and their rectification methods.
ϒ⁄This topic describes how to analyze and rectify AT0 trunk call failures.
ϒ⁄This topic describes how to analyze and rectify the fault where the busy tone is heard or the system repeatedly prompts an outer-office user to dial an extension number when the user dials the switchboard number.
ϒ⁄This topic describes how to analyze and rectify the slow call connection fault.
ϒ⁄This topic describes how to analyze and rectify the CLIP fault.
ϒ⁄Intra-Office User Cannot Hear the Busy Tone When an Outer-Office User Hangs Up
ϒ⁄This topic describes how to analyze and rectify the fault where an intra-office user cannot hear the busy tone when an outer-office user hangs up.
ϒ⁄Same Phone Rings When Different Numbers Are Called
ϒ⁄This topic describes how to analyze and rectify the fault where the same phone rings when different numbers are called.
ϒ⁄Exception Occurs When the Moderator Invites a User to Join a Phone Conference
ϒ⁄This topic describes how to analyze and rectify the exception that occurs when the moderator invites a user to join a phone conference.
ϒ⁄ONLY, Simultaneous Ringing, or Sequential Ringing Services Are Unavailable
ϒ⁄This topic describes how to analyze and rectify the fault where the ONLY, simultaneous ringing, or sequential ringing service is unavailable.
Parent Topic: Trunk Faults