Instruction(Optimization) - Yealink SIP-T28 Owner's Manual

5 Instruction(Optimization)

1．Added account registration status in the webpageStatus
Path: Web pageStatus
Instruction: This feature allows user to know about the accounts' registration status, the
registration status will be updated simultaneously with account registration changed.
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
Instruction: IE9 browser can open the phone webpage normally.
4．Added CosmoCom type in the "SIP Server Type"
Path: Web page Account Advanced SIP Server Type
Instruction: When selecting CosmoCom type, phone will register to the Backup Outbound
Proxy Server when Outbound Proxy Server was unreachable. But if Outbound Proxy Server
was recovered, the phone will not go back to register to the original server(Outbound Proxy
Server), it will stay register to the Backup Outbound Proxy Server.
Detail: Please refer to V61 User Manual for details.
5．When "Inband" or "RFC2833" was selected in the DTMF type, "How to INFO DTMF"
can't be configured
Path: Web page Account Advanced DTMF Type/How to INFO DTMF
Instruction: When "Inband" or "RFC2833" was selected in the DTMF type, "How to INFO
DTMF" will be gray, it can't be configured.
Yealink SIP Phones' Firmware Change Log
YEALINK NETWORK TECHNOLOGY CO.,LTD
www.yealink.com
10
/20