numbers directed to the same call center and provide unique service. DNIS can also be used to identify other call routing information. For example, toll-free service can be configured to send a specific DNIS number that is assigned to callers from geographic regions based on city, area code, state, or country. Similar services Europe: Calling Line Identification (CLI) United Kingdom: Caller Line Identification (CLID) Australia: Automatic number identification (ANI) 1800801920 or 12722123 (Telstra line only, local call cost) References Anonymity Telephony signals