User Guide SIP-T22P IP Phone. 4. Icon. Description. Missed Calls. Call Forward. Recording box is full. A call cannot be recorded. View and Download Yealink SIP-T22P user manual online. Enterprise IP Phone. SIP-T22P ip phone pdf manual download. Also for: Sip-t26p. Yealink T3 Series IP Phones User Guide V85.10.pdf. 2.2MB. 2020-07-15. Administrator Guide (3). Yealink SIP Desktop Phone Administrator guide V86.15. 11.31MB. Please contact your network administrator. Account Settings. The phone attempts to register to the SIP server using the account/registrar data provided by theYealink SIP-T22P/SIP-T22 firmware contains third-party software under the GNU General Public License (GPL). User Guide for the SIP-T22P/SIP-T22 IP Phone. V70 Upgrading Manual.pdf. 208.9KB. 2015-03-11. User Guide (2). Yealink_SIP-T22P & SIP-T22_User_Guide_V72_25.pdf. 4.09MB. 2015-03-11. SIP-T22P. User's Guide. Thank you for choosing this T-22 Enterprise IP Phone. This phone is especially designed for active users in the office environment.