www.newrocktech.com 5-34Item DescriptionSIP user Enter the number of the IP extension that is set on the OM. For example: 213.Display nameThe name to be displayed on the other party’s phone. The name of theextension user can be set. If it is not set, the Authentication User will bedisplayed on the other party’s phone. For example: 213.Step 2 Select Enable registration, and click Apply.Step 3 On the web interface of the OM, go to Extension > IP to view the registration status of the IPextension.For an IP phone, it is recommended that G.729 codec standard be selected, and that the DTMFprocessing mode be the same as that on the device.5 Configuring the Advance Features5.1 Customizing a Simple Auto Attendant5.1.1 Customizing the GreetingAs a simple auto attendant the OM20 plays a greeting message to the caller depending on if the call comesin at business hours or non-business hour. The system default greeting files are shown in table below, oryour own greeting files can be made.Type File name ContentBusiness hours welcome Thank you for calling. If you know your party's extension, please dial itnow. Or, to transfer to an operator, press zero.Non-businesshours Off-hour Thank you for calling. Our office is closed. If you know the extension,please dial it now.Creating greetingsThe following three methods can be selected: