User Guide for the SIP-T42G IP Phone70configured on the Skype for Business Server in advance.You can dial an Emergency Dial String number or Emergency Dial String Mask numbereven if the phone is locked, and keypad is available during an emergency call. With orwithout the location information will not affect you to dial an emergency call.When you dial an Emergency Dial String number or Emergency Dial String Masknumber, the LCD screen is shown as below:You can cancel or hold the emergency call only.If call forward feature is configured in advance, the call forward feature will bedisabled automatically after calling the emergency number. If the call forward featureis not manually enabled again after the emergency call, it will be enabledautomatically after two hours and its settings will also be restored.If the phone status is DND before dialing an emergency number, then the phone statuswill change to available after the emergency call. And the phone status will restore toDND status in two hours. Other statuses will not be affected by the emergency call.NoteYou can configure one or more dial-now rules (up to 100) on your phone. When thedialed number matches the dial-now string, the number will be dialed out automatically.For example, a dial-now rule is configured as "1xxx", any entered four-digit stringbeginning with 1 will then be dialed out automatically on the phone.Basic expression syntaxes you need to know:Syntax Description.The dot "." can be used as a placeholder or multiple placeholders forany character. Example:"12." would match "123", "1234", "12345", "12abc", etc.x An "x" can be used as a placeholder for any character. Example:"12x" would match "121", "122", "123", "12a", etc.-Numeric ranges are allowed within the brackets: Digit “-” Digit.Example:“[5-7]” would match the number”5”, ”6”or ”7”.Emergency Dial String number and Emergency Dial String Mask number areconfigurable on the Skype for Business Server only. Contact your systemadministrator for more information.