Administrator’s Guide for SIP-T5 Series Smart Media Phones172Details of the Configuration Parameter:Parameter Permitted Values Defaultexpansion_module.page_tip.blf_call_in.enable 0 or 1 1Description:Enables or disables the page switch key LED on the expansion module to indicate when BLFmonitored user receives an incoming call on the non-current pages.0-Disabled1-EnabledNote: It is only applicable to EXP50 expansion modules connected to theSIP-T58V/T58A/T56A IP phones.Web User Interface:NonePhone User Interface:NoneAccount RegistrationRegistering a SIP account makes it easier for the IP phones to receive an incoming call, dial anoutgoing call. Yealink IP phones support registering multiple accounts on a phone; each accountrequires an extension or phone number.The number of the registered accounts must meet the following:Phone Model AccountsSIP-T58V/T58A/T56A <=16CP960 1The IP phones support SIP server redundancy for account registration. For more information,refer to Server Redundancy on page 569. If you want to customize multiple DSS keys toassociate with an account, refer to Multiple Line Keys per Account on page 180.
