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T27 V80 Firmware - BLFs Inoperable with Freeswitch
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Abe1048 Offline
We Love Yealink!!!

Posts: 87
Joined: Aug 2013
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Post: #11
RE: T27 V80 Firmware - BLFs Inoperable with Freeswitch
(06-04-2015 05:29 PM)Flora Wrote:  Hi Rob,
For the transfer issue, do you mean the scenario is like below,
T27 are in the call with another party B
T27 press transfer button, dial B's number and press OK button , when B answer the call , T27 press transfer button again ,right ?
in this case, T27 first should send Invite message to hold B and then send the Refer message and when inbound call, the phone send the invite message normally but the server response with 481 . is there any brand phone that can work well?

If yes, would you please share us the pcap trace for the working brand phone?
and also ,please provide us config.bin file , pcap trace and level 6 syslog for these two scenarios that we can ask the engineer to check .
You can refer to below link,
Best Regards!

BTW, normally one thread just for discussing the same topic , please open a new thread for a new topic.

Best Regards!

Good News Everyone!

We got an email from Yealink support with a new Firmware resolved the BLF issue.

All the best,
01-19-2016 04:44 AM
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deutschnaftyula Offline
Junior Member

Posts: 19
Joined: Nov 2013
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Post: #12
RE: T27 V80 Firmware - BLFs Inoperable with Freeswitch
can you share with us the new FW?
01-20-2016 10:20 PM
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