{{tag>Advanced_Tasks Yealink}}
====== Advanced Handset Guides ======

  * [[yealink_firmware_upgrade]]
  * [[yealink_sip_trace]]
  * [[howtos:setup:ldap#yealink_handset_example|How to Set Up Contacts Directory on the Yealink T1, T2, T3 and T4 Series IP Phone using LDAP]]