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3 Bug Fixes
1. Fixed download error issue when XML phonebook download from the server which used
IPV6 address.
2. Fixed the character on the cursor position not display issue on T20 phone. When adding or
editing contacts, black list, press left navigation key, the character will not display on the
cursor position.
3. Fixed not prompt same name issue when input a contact which has the same name with black
list.
4. Fixed not ring group ringtone issue after contact (in this group) deleting custom ringtone.
5. Fixed the issue that ringtone will display blank in the webpage when edit group information
after deleting custom group ringtone in IE web browser.
6. Fixed the issue that when T28 has a network conference, and a new call was made by the
second account, the network conference account will not be held before new call was
answered.
7. Fixed the issue that when the phone use IPV6 address, display name of the third party doesn't
changed to caller ID after attended/ semi-attended transferring.(It needs server support)
8. Fixed the issue that when update IPV6 address by auto provision, the update will failed if the
size of configuration file is larger than certain value.
9. Fixed transfer failed issue in the Broadsoft Call Manager platform.
10. Fixed the issue that after answering or hanging up the incoming call from EHS, the ringtone
will last a long time.
11. Fixed the issue that headset doesn't work in the first call after logining ACD.
12. Fixed no ring back tone issue when picking up the handset.
13. Fixed the issue that after T28 answering the call, it still ring ringback tone.
14. Fixed "Transfer on Conference Hang up" doesn't work issue when work with CosmoCom
server.
15. Fixed the issue that when pressing TRAN too fast, it will create two calls.
16. Fixed the issue that when blind transfer by DSS Key, the phone sends out transfer message
before the server deal with Hold message.
17. Fixed the incorrect LED status of BLA issue.
18. Fixed dial tone can't be heard issue.
19. Fixed the problem of continuous ringing after off-hook of T20.
20. Fixed the problem of repeatedly registers and unable to receive calls or dial of SCA.
21. Fixed the problem that due to INVITE message lacking of genesysid (packaged in REFER
message), SIP server is unable relate REFER and INVITE message.
22. Fixed the problem of frequent one-way call fault on ININ platform.
23. Fixed the problem of the failure when in-line initiating conference to out-line.
24. Fixed the problem that call-center is unable to receive DTMF after receiving a call. Fixed
unregister issue in the public server.
25. Fixed the issue that the phone can't register to the public server.
26. Fixed the issue that the version field of 802.1X can't be updated according to switch dynamic,
so the phone can't be connected by 802.1X.
27. Fixed the phone crash issue when Action URL server was down.
Yealink SIP Phones' Firmware Change Log
YEALINK NETWORK TECHNOLOGY CO.,LTD
www.yealink.com
4
/20
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