T48G random reboot
Hello, We have a problem with some of our T48G IP phones. Sometimes when we want to transfer a call to a co-worker the BLF buttons on the screen disappear and the phone reboots. This problem doestn...
View ArticleVP530 video bug
Hello My company is evaluating VP530 before deployment I am experiencing a annoying bug with stock 23.70.0.41 and 23.70.248.202-UC firmware. The phone connects OK with asterisk. Calls are OK, H264...
View ArticleT20P call interrupted in 30'
Hi All, We have installed 4 T20P phone for a test. We thought to change all the phones in our office with this model... but we have a very big issue. When i use soft phone, there is no problem, but...
View ArticleProblem loading directory via xml service on T21P
Dear all! I'm writing a service to feed the remote directory. I'm following the steps found in the Yealink IP Phones XML Browser Developer's guide V72.1, but whe i see the remote directory on my phone...
View ArticleUTF-8 Encoding for Telephone Numbers?
If I send a telephone number including the + character to a T4x telephone, the + is shown as %2B, i.e., there is something wrong with the UTF-8 encoding. Any ideas?
View ArticleYealink T28 End of Life??
is the yealink T28 end of life? my re seller tells me they are not selling T28-26-22 anymore, i should buy instead T27.
View ArticleW52P died on me
So out of the blue, my W52P can't get IP address anymore, and just died on me. It is powered through POE and worked perfectly until a couple of weeks ago. The unit is probably 3 years old. Did this...
View ArticleRelease notes for firmware x.80.0.70
Hello, There's new x.80.0.70 firmwares available to download on support.yealink.com, but I did not found the related releases notes, i.e. I only found releases notes about the x.80.0.60 firmware. My...
View ArticleRemote Phonebook help
Hello, I have a set of t19p(FW v72) and t26p (FW v73) phones running fine. I have to questions: 1- We were provisioning two separate remote phonebooks to our phones but one of them is no longer needed....
View ArticleT42G stuck in Recovery Mode
Hello all, Recently, I tried to upgrade an T42G phone to 29.73.0.45. However, the upgrade failed and the phone get stuck on the Welcome screen. So, I tried the recovery mode. The phone could get the...
View ArticleT48G High Ping
I have an asterisk server with several phones connected and although I don't actually have any issues, I noticed that the yealink phone has a fluctuating ping of 58ms - 158ms? Snom phones have a ping...
View ArticleMultiCast Paging CP860
For the life of me I can't figure out how to get multicast paging going on the CP860s. Here is a list of things I have done so far, phones are auto provisioned with the following settings Code:...
View ArticleW52P call transfer supervised
Hello, We started using Yealink W52P as a simple DECT phone for our customers, and with the demo we where able to use the R-key to put caller on hold, and dial another extension. In the display came 2...
View ArticleT46G - Display burnt into screen
Hello everybody, we are now using twenty-five T46G-phones in our Company for just one week! How is it possible, that the Display is burnt into Screen on ALL of the phones after just one week without...
View ArticleT41P VPN Not Working
Hello and sorry if this lands in the wrong spot. I have been working on trying to set up one of our T41P to work with our OpenVPN. Below is the configure file used for the phones and I have verified...
View ArticleCall history Yealink T46G for attended transfers
We are using firmware 28.73.0.48 (3cx supported version). When an incoming call comes in via attended transfer, in call history on the telephone we see the extension that transferred the call to us. We...
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T41P BLF not working
Hello, i just bought 2 T41P's but i can't seem to get the BLF leds to get to work i have a hosted pbx (3 inbound channels, 1 outbound). currently only those 2 phones are connected (extention 100 and...
View ArticleT46G BLF Not Working
Trying to configure the BLF fields for the T46G phones and what we get when we configure the BLF is a red "X" in the description field. The EXP 40 just does not light up when those are configured. If...
View ArticleExplain how registration retry works
Yealink, Could you please explain how registration and retries work? Under "Account/Register" there is the Server Expires and Retry Counts. What happens if the SIP server is not reachable within the...
View ArticleYealink IP Phones interoperability
Yealink Ip phones are compatible with NEC Univerge PBX sv8100/8300/8500. The list of interoperability not mention that mark.
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