Yealink YEA-SIP-T26P Advanced IP Phone with POE 3 SIP accounts, voicemail, MWI, hotline, emergency call Call hold/waiting/transfer/forward/recording/completion BLF/BLA, call park, call pickup, intercom, paging, dial plan 3-way conference, DND, mute, speed dial, auto-answer XML browser, XML phonebook, LDAP phonebook, black list, SMS