Yealink SIP-T28, SIP-T26, SIP-T22, SIP-T20, SIP-T12 Owner's Manual
YEALINK NETWORK TECHNOLOGY CO.,LTD
www.yealink.com
Yealink SIP Phones’ Firmware Change Log
1/20
Yealink SIP IP Phones Change Log of Version 61
·Firmware Version：From x.60.0.120 To x.61.0.80
·Applicable Models：SIP-T28/T26/T22/T20/T12
·Release Date：January 15th, 2012
·Mainly released for Call Center field
YEALINK NETWORK TECHNOLOGY CO.,LTD
www.yealink.com
Yealink SIP Phones’ Firmware Change Log
2/20
1 New Features
1. Added auto provision code feature.
2. Added Headset Priority feature.
3. Added “Dual Headset” feature.
4. Added “Multicast IP Paging” feature.
5. Added CosmoCom ACD and synchronization feature.
6. Added “Music on hold server” feature.
7. Added SNMP feature.
8. Added display name for call forward feature.
9. Supported Caller-ID display from remote phonebook.
10. Added display XML information from SIP Notify message feature.
2 Optimization
1. Added account registration status in the webpageStatus.
2. If you modify something on the webpage during a call, the phone will prompt
“Talking…Please update later”, after that it will return to the previous interface.
3. Compatible with IE9 browser.
4. Added CosmoCom type in the “SIP Server Type”.
5. When “Inband” or “RFC2833” was selected in the DTMF type, “How to info DTMF” can’t
be configured.
6. Added “PlayHoldTone” and “PlayHoldToneDelay” configuration.
7. Added “DsskeyBlindTran” configuration.
8. Added “DTMFReplaceTran” and “Tran Send DTMF” configuration.
9. Added “AllowMute” configuration to configure whether allow muting during the call.
10. Added “Handset Send Volume” and “Handfree Send Volume” configuration.
11. Added “SendPoundKey” configuration. If “SendPoundKey” is enabled, and select “#” as send
key, “##” can be send out.
12. Added “AutoAnswerDelay” configuration in the webpagePhoneFeatures.
13. Added “DHCP Option Value” configuration.
14. Auto configuration of first account.
15. Enabled encryption/decryption password.
16. Direct conference function.
17. Username and Password stays in the same interface when login ACD.
18. Transfer cancel configuration.
19. Enter the FWD configuration page when pressing FWD key.
20. The DND, Forward, Anonymous Code will only be sent when the status changed.
21. Added “BLFListBargeInCode” configuration.
22. Display HD characters.
23. Configurable HotDesking feature.
24. Added “NewCall” soft key when holding the call.
25. Auto answer when receiving the special NOTIFY message from Asterisk server.
26. Different dial tone when account is not registered.
YEALINK NETWORK TECHNOLOGY CO.,LTD
www.yealink.com
Yealink SIP Phones’ Firmware Change Log
3/20
27. Emergency incoming call ringtone.
28. Supported configure the register status via auto provision when username is blank.
29. Supported upload multiple language files via auto provision.
30. Supported new Broadsoft network phonebook/calllog format.
31. Added recording conversation duration feature in Action URL.
32. Added recording incoming/outgoing calls feauture in Action URL.
33. Deleted custom items such as language/logo after resetting to factory default.
34. Changed default input method to “123” in LDAP phone book.
35. Optimized date display.
36. Increased the length of Xml browser URL to 512.
37. Adjusted display way of display name of second incoming call.
38. Forward international number is configurable now.
39. Prompting login failure message and forbidding to login after 3 failed logins.
40. Webpage will logout automatically after 5 minutes without operation.
41. 802.1x password and AES Key are saved and transmitted as ciphertext.
42. Optimized Broadsoft “No Answer Forward” feature.
43. After enabling “Feature Key Synchronisation”, the phone will not send 302 message to the
server when No Answer Forward.
44. It will prompt whether reboot the phone after you changing the System Log Level.
45. It will display package time in the Product ID on the LCD.
YEALINK NETWORK TECHNOLOGY CO.,LTD
www.yealink.com
Yealink SIP Phones’ Firmware Change Log
4/20
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 NETWORK TECHNOLOGY CO.,LTD
www.yealink.com
Yealink SIP Phones’ Firmware Change Log
5/20
28. Fixed the issue that when MissCall send out the URL, $remote replaces error.
29. Fixed the issue that expansion modules don’t work when connected several expansion
modules.
30. Fixed the issue that it doesn’t prompt login failed when login ACD with wrong username or
password.
31. Fixed the issue that when pressing redial button, it displays forward number.
32. Fixed the issue that when BWCallLogandDir and CallLog are enabled, pressing view key and
enter broadsoft network call log after a miss call.
33. Fixed the issue that password dial feature works in the conversation.
34. Fixed the messy codes issue in the updating interface when setting phone language to Korean.
35. Fixed the issue that phone stays in initiating interface after updating V61 firmware via HTTP
server.
36. Fixed the issue that phone stays in “Firmware Updating…Please Wait…” interface after
upgrading via HTTP auto-provision.
37. Fixed the issue that press “#” cannot dial out the number searching from LDAP phone book.
38. Fixed the issue that BLF doesn’t work after rebooting when register to 192.168.1.199 server
and configure BLF.
39. Fixed the issue that var user can access to phone after disabling 3-level user access mode.
(Restrict var accessing to phone and use Action URI feature)
40. Fixed the issue that client can crack phone’s password by telnet with admin/admin. (Restrict
admin and guest user permission)
41. Fixed the issue of missing “Public Hold” and “Private Hold” configuration items in DSSKey
in T20 LCD.
42. Fixed the issue that when the phone reboot, TLS will register successfully 2 or 3 minutes later.
43. Fixed the LDAP delay issue.
44. Fixed the issue that MAC address changes to 080028320602.
45. Fixed the issue that user level has authority to download bin file by URL.
46. Fixed the issue that after inputting a character in the LDAP dialing interface, there’s no any
response when pressing Cancel key.
47. Fixed the issue that telnet password doesn’t take effect if you don’t reset to factory default.
48. Fixed the issue that the phone will not use the DNS server provided from DHCP server after
upgrading to the latest firmware. And the phone will register failed if you don’t reboot the
phone.
49. Fixed the issue that when sending the message of Music on hold, the IP address in the “c=”
line of SDP was incorrect.
50. Fixed the issue that after picking up the call, it will not display Caller ID on the LCD.
51. Fixed Open VPN connection fail issue.
52. Fixed the issue that when there’s a second incoming call, there’s no any sound after 5 minutes.
53. Fixed the echo issue when there’s a second incoming call.
54. Fixed Push XML does not work issue.
55. Fixed the configuration of Push XML can’t take effect immediately issue.
56. Fixed no voice issue of Multicast Paging feature.
YEALINK NETWORK TECHNOLOGY CO.,LTD
www.yealink.com
Yealink SIP Phones’ Firmware Change Log
6/20
4 Instruction(New Features)
1. Added auto provision code feature
Instruction: Configure following items in the configuration file by auto provision.
[ autoprovisionX ] X=1~50
Path = /yealink/config/Setting/autop_code.cfg
Name =
code =
server_address =
user =
password =
AES =
MAC_AES =
This feature is for configuring code for auto provision URL. When there’s no account
registered, press code in idle status, it will prompt a window to ask whether update the phone
from the corresponding server_address. Press “OK” to download the configuration file from
this server_address, press “Cancel” to return to idle status.
Detail: Please refer to V61 User Manual for details.
2. Added Headset Priority feature
Path: PhoneFeaturesHeadset Prior
Instruction:
Enabled “Headset Prior”, and press “HEADSET” button on the phone, you can
answer the call with headset by default. After you answer the call with headset, you can pick
up the handset or press Speaker button, and it will change to handset or Speaker mode, but
when the phone returns to idle status or reboots, it will switch to headset mode automatically.
This feature is disabled by default.
Detail: Please refer to V61 User Manual for details.
3. Added “Dual Headset” feature
Path: PhoneFeaturesDual Headset
Instruction: Enabled “Dual Headset”, and press “Headset” on the phone, two headsets can be
connected to the phone, one connect to headset port, the other connect to handset port.
When in a conversation, headset with headset port can speak and listen, and headset with
handset port can only listen. This feature is disabled by default.
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