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YEALINK NETWORK TECHNOLOGY CO.,LTD
www.yealink.com
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
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· Release Date：January 15
, 2012
· Mainly released for Call Center field
Yealink SIP Phones' Firmware Change Log
1
/20
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Related Manuals for Yealink SIP-T26
Summarization of Contents
New Features
Added auto provision code feature
Enables automatic phone configuration via a code for auto-provision URL.
Added Headset Priority feature
Prioritizes headset for call answering by default, allowing automatic switching.
Added "Dual Headset" feature
Allows connection of two headsets to the phone, one to headset port, one to handset port.
Added "Multicast IP Paging" feature
Enables multicast paging functionality, configurable via DSS Key and IP address.
Added CosmoCom ACD and synchronization feature
Integrates CosmoCom ACD and synchronizes phone/webpage status.
Added "Music on hold server" feature
Allows playback of music from a specified server when a call is put on hold.
Added SNMP feature
Supports Simple Network Management Protocol for phone information retrieval.
Added display name for call forward feature
Displays caller name for forwarded calls based on server messages.
Supported Caller-ID display from remote phonebook
Displays Caller-ID names from remote phonebooks on the phone screen.
Added display XML information from SIP Notify message feature
Displays XML data received via SIP Notify messages.
Optimizations
Added account registration status in the webpage Status
Shows account registration status on the phone's web interface, updated in real-time.
Prompt on webpage modification during call
Prompts user before applying webpage changes during an active call.
Compatible with IE9 browser
Ensures compatibility and normal operation with Internet Explorer 9.
Added CosmoCom type in the "SIP Server Type"
Adds CosmoCom as an option for SIP server type configuration for failover.
DTMF type configuration restriction
Restricts "How to INFO DTMF" config when Inband/RFC2833 is selected.
Added "PlayHoldTone" and "PlayHoldToneDelay" configuration
Configures hold tone playback and its delay time.
Added "DsskeyBlindTran" configuration
Configures blind transfer functionality using DSS keys.
Added "DTMFReplaceTran” and “Tran Send DTMF” configuration
Configures DTMF replacement and sending for transfer functions.
Added "AllowMute” configuration
Allows configuration of call muting capability via the Mute key.
Added "Handset Send Volume" and "Handfree Send Volume" configuration
Configures audio output volume for handset and handsfree modes.
Added "SendPoundKey" configuration
Enables sending "##" using the pound key in specific contexts.
Added "AutoAnswerDelay” configuration
Configures the delay time before automatic call answering.
Added "DHCP Option Value" configuration
Configures DHCP option value for phone type identification by DHCP server.
Auto configuration of first account
Automatically configures the first account upon phone upgrade or factory reset.
Enabled encryption/decryption password
Enables password encryption for enhanced security when saved to the phone.
Direct conference function
Allows direct conference calling setup via DSS keys.
Username and Password stays in the same interface
Keeps login credentials visible on the ACD interface for easier management.
Transfer cancel configuration
Allows cancelling a call transfer operation and returning to the previous interface.
Enter the FWD configuration page when pressing FWD key
Directs to FWD settings upon pressing FWD key regardless of status.
DND, Forward, Anonymous Code sent on status change
Sends DND/Forward/Anonymous codes only when their status changes.
Added "BLFListBargeInCode" configuration
Configures codes for BLF list barge-in and pick-up actions.
Display HD characters
Shows HD characters on the LCD when using the G722 codec.
Configurable HotDesking feature
Configures HotDesking display options and account information.
Added "NewCall" soft key when holding the call
Adds a "NewCall" soft key to the call holding interface for making new calls.
Auto answer for special NOTIFY message
Configures auto answer on speaker mode for specific Asterisk NOTIFY messages.
Different dial tone for unregistered accounts
Provides distinct dial tones to indicate unregistered account status.
Emergency incoming call ringtone
Adds support for emergency call ringtones based on Invite message headers.
Configure register status via auto provision
Allows auto-provisioning of register status with blank usernames.
Upload multiple language files via auto-provision
Supports uploading multiple language files via auto-provision configuration.
Broadsoft phonebook/calllog format support
Adds compatibility with new Broadsoft network phonebook/calllog formats.
Recording conversation duration in Action URL
Supports recording conversation duration using $duration variable in Action URL.
Recording incoming/outgoing calls in Action URL
Supports recording call direction using $callDirection in Action URL.
Deletion of custom items after factory reset
Clarifies that custom items like language and logo are deleted upon factory reset.
Default input method in LDAP phone book
Changes the default input method to "123" for LDAP interface.
Optimized date display on T28 LCD
Improves the aesthetic of date display by shifting the icon on T28 LCD.
Increased XML browser URL length
Increases the maximum length for XML browser URLs to 512 bytes.
Adjusted display of second incoming call name
Adjusts display of long names for second incoming calls to show fully.
Forward international number configuration
Makes the international number forwarding prefix configurable via auto-provision.
Login failure prompt and lock mechanism
Details the login failure prompt and lockout after three failed attempts.
Webpage auto logout configuration
Configures automatic webpage logout based on inactivity time.
802.1x password/AES Key ciphertext storage
Saves and transmits 802.1x password and AES Key as ciphertext.
Broadsoft "No Answer Forward" feature optimization
Explains optimized "No Answer Forward" calculation for Broadsoft.
No 302 message for No Answer Forward with Feature Key Sync
Details behavior regarding 302 messages for No Answer Forward with Feature Key Sync.
System Log Level change prompt and reboot
Describes the prompt for rebooting after changing System Log Level.
Display package time in Product ID
Explains how package time is displayed in the Product ID on the LCD.
Bug Fixes
Fixed IPv6 XML phonebook download error
Resolves download errors for IPv6 XML phonebooks from servers.
Fixed cursor character display on T20
Corrects cursor character display issues on T20 phones during contact editing.
Fixed duplicate contact name prompt
Prevents duplicate name prompts when adding contacts with existing names.
Fixed ringtone issue after group ringtone deletion
Fixes ringtone issues when custom group ringtones are deleted.
Fixed blank ringtone display in web browser
Corrects blank ringtone display when editing group info in IE.
Fixed network conference call handling
Addresses issues with network conference calls and second account handling.
Fixed display name change with IPv6
Fixes display name not changing to Caller ID with IPv6 when supported.
Fixed IPv6 address update failure
Resolves update failures for IPv6 addresses with large configuration files.
Fixed Broadsoft Call Manager transfer failure
Fixes transfer failures encountered within the Broadsoft Call Manager.
Fixed EHS ringtone duration issue
Corrects long ringtone duration after EHS headset call hang-up.
Fixed headset not working after ACD login
Resolves headset functionality issues after logging into the ACD.
Fixed no ring back tone on handset pickup
Fixes the absence of ring back tone upon handset pickup.
Fixed ringback tone after call answer
Corrects ringback tone issues that persist after answering calls on T28.
Fixed "Transfer on Conference Hang up" with CosmoCom
Fixes transfer hang-up functionality when integrated with CosmoCom.
Fixed issue creating duplicate calls when pressing TRAN
Prevents duplicate calls from being created when pressing TRAN rapidly.
Fixed blind transfer message timing
Corrects message timing for blind transfers initiated via DSS Key.
Fixed incorrect LED status of BLA
Fixes incorrect LED status indications for Busy Lamp Appearance (BLA).
Fixed dial tone inaudible issue
Resolves the issue where the dial tone cannot be heard by the user.
Fixed continuous ringing after off-hook on T20
Fixes continuous ringing behavior after taking the handset off-hook on T20.
Fixed repeated registration and call issues
Resolves repeated registration problems and call reception failures.
Fixed INVITE/REFER message synchronization
Fixes issues with INVITE/REFER message synchronization for call transfers.
Fixed one-way call fault on ININ platform
Resolves one-way audio faults occurring on the ININ platform.
Fixed in-line conference initiation failure
Fixes failures in initiating conferences from in-line calls.
Fixed DTMF reception and unregister issues
Fixes DTMF reception problems and public server unregister issues.
Fixed phone registration failure
Resolves issues preventing phone registration to public servers.
Fixed 802.1X version update issue
Fixes 802.1X version update problems affecting network connectivity.
Fixed phone crash with Action URL server down
Resolves phone crash issues when the Action URL server is unavailable.
Fixed MissCall URL send error
Fixes an error when sending the URL for missed calls ($remote variable).
Fixed expansion module compatibility
Resolves issues with multiple expansion modules not functioning correctly.
Fixed ACD login failure prompt
Corrects the lack of prompt for failed ACD login with incorrect credentials.
Fixed redial button displaying forward number
Fixes the redial button displaying an incorrect forward number.
Fixed BWCallLogandDir/CallLog interface issue
Resolves interface navigation issues with BWCallLogandDir and CallLog.
Fixed password dial feature during conversation
Fixes the password dial feature unexpectedly activating during calls.
Fixed messy codes for Korean language update
Resolves messy code display issues during Korean language updates.
Fixed phone stuck in initiating interface after update
Fixes phone freezing in the initiating interface after a V61 firmware update.
Fixed phone stuck in Firmware Updating interface
Fixes phone freezing in the "Firmware Updating" interface after HTTP auto-provision.
Fixed dial out issue using '#' with LDAP search
Resolves issue with '#' not dialing out numbers from LDAP search.
Fixed BLF not working after reboot
Fixes BLF not functioning after rebooting with specific server settings.
Fixed variable user access issue
Fixes access issues for variable users after disabling 3-level user access.
Fixed phone password vulnerability via telnet
Secures phone against password cracking via telnet access.
Fixed missing "Public Hold" / "Private Hold" DSSKey items
Resolves missing hold configuration items in DSSKey for T20.
Fixed TLS registration delay after reboot
Fixes TLS registration delays that occur after phone reboot.
Fixed LDAP delay issue
Resolves delays experienced with LDAP operations.
Fixed MAC address change issue
Corrects incorrect MAC address values displayed or assigned.
Fixed user level authority for bin file download
Restricts unauthorized bin file downloads based on user access level.
Fixed LDAP dialing interface non-response
Resolves non-response issues in the LDAP dialing interface after pressing Cancel.
Fixed telnet password not taking effect
Fixes telnet password settings not applying without a factory reset.
Fixed DNS server usage after firmware upgrade
Corrects DNS server usage issues after firmware upgrades.
Fixed incorrect IP address in SDP for MoH
Fixes incorrect IP addresses in the SDP for Music on Hold messages.
Fixed Caller ID not displaying after call pickup
Resolves Caller ID not displaying correctly after answering a call.
Fixed Open VPN connection failure
Resolves issues leading to failures in establishing Open VPN connections.
Fixed no sound issue for second incoming call
Fixes no sound issues for second incoming calls after a 5-minute interval.
Fixed echo issue with second incoming call
Resolves echo issues that occur during second incoming calls.
Fixed Push XML not working
Resolves functional issues with the Push XML feature.
Fixed Push XML configuration not taking effect
Fixes Push XML configuration changes not applying immediately.
Fixed no voice issue for Multicast Paging
Resolves no voice transmission issues for the Multicast Paging feature.
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