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About HTTPS certificates and trust

May 23, 2018, 5:41 pm
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Our provisioning web server have Rapid SSL RSA wildcard certificate, which is trusted by default Yealink phone. Our DHCP server send OPTION 43 with https link. Everything is working good - we unbox new phone, connect it to network and viola, not need to logon on phone`s web interface.

But our RSA certificate will be expired soon. We decide to switch to Let`sEncrypt ECC certificate. As i can see, Yealink phones by default have root LE cert "DST Root CA X3", but not have intermediate "Lets Encrypt Authority X3".

What should i do with that? Set security.trust_certificates = 0? Add this Intermediate CA certificate to Trusted?
But how new phones will get this settings without access to provisioning web server?


And another related question, about format of
Code:
trusted_certificates.url
.
What is solution when i need to add two (or three, or four) root certificate to Trusted? Should i add all to one file, like in chainfile? But this certs are from different CA.
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SIP-T26P no audible ring when receiving a call from another extension

May 10, 2018, 10:16 pm
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My phone model is SIP-T26P. Calls that come in from the outside will ring on this phone, but calls coming from an internal extension will not produce an audible ring. I can see the call on my screen and pick it up, but I don't hear the phone ringing. Any thoughts on how to correct this?
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BLF showing TALKING issue

May 23, 2018, 7:52 pm
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Hi,

We have various T4 series phones in our company (T42S, T46S, T48S).
The issue we are having is on the T48S phones. There are BLF keys programmed for other extensions. For example, there is a BLF key programmed for x1300. Sometimes the BLF key for x1300 will show TALKING when actually x1300 is idle. Eventually the TALKING will go away and the BLF key will work as it should. It doesn't happen all of the time and it isn't the same BLF keys either each time.

This seems to only be happening on the T48S phones.

Please help.

Thanks.
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T46S Call Hiccups

May 24, 2018, 12:22 am
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We just launched our VOIP system. We are using Vonage's Business Cloud service with Yealink T46S handsets on the desk. We've had really bad repeated pauses on our calls, and have had Vonage and our networking company searching for something in the firewall, switches, you name it. Everything looks like it's setup correctly.

After a few days online, it appears that all of the issues are occurring when using the Yealink. The call is crystal clear, it just hiccups. Short bursts of total silence that break up the voice. I've timed them to look for a pattern, but no luck. I've attached a sample (of some weird number where people just read phrases) and the hiccups occur at :03, :18, and :38. The recording is a pretty mild case. It can be difficult to understand the person on the other end sometimes.

New to Yealinks, but familiar with the web interface by now. Anyone have any ideas of where I should look to see if I can tweak the config to get rid of the hiccup? Any direction is much appreciated. Thanks!

.zip  Hiccups.zip (Size: 386.63 KB / Downloads: 0)
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T42S Skype for Business YealinkBToEConnector for MAC

May 24, 2018, 7:41 pm
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Good day all,

We have an issue with the T42S YealinkBToEConnector for MAC. BToE is pairing and status is as follow: paired (unsigned). When pairing it is not prompting via S4B to enter credentials.

This is however working perfectly on Windows workstations via the Yealink BToE Connector for Lync(6.0.7.0).

Any advice would be greatly appreciated.

Regards.
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SMS/Texting to/from T46G

May 24, 2018, 11:24 pm
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Has anyone done anything with texting to/from a T46G Yealink? If so, would you share what you have done and how you did it?

My provider allows me to send/receive SMS using .php and I was wondering if anything has done anything like that with their T46G Yealinks.

Thanks in advance.
(Today 02:24 PM)sfrazier Wrote:  Has anyone done anything with texting to/from a T46G Yealink? If so, would you share what you have done and how you did it?

My provider allows me to send/receive SMS using .php and I was wondering if anything has done anything like that with their T46G Yealinks.

Thanks in advance.


Or has anyone set up just to receive messages in the Inbox of the Yealink T46G?
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Encryption T46G

May 24, 2018, 11:31 pm
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Has anyone set up Encryption on their T46G phones? Calls between T46G would encrypt the audio when the T46G would call another T46G phone? If so is there any tutorials how to set it up on the T46?
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Incoming call ringing on another accounts phone

May 26, 2018, 6:38 am
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I have W52p phones, I have two accounts with different numbers, so each has its own base, each has its own registered phone.
For some incoming calls intended for one account number it rings at the other, but not vice versa, how is this even possible.This is the only problem I have with these phones.
Does anyone have any ideas?
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Placing outgoing calls from web browser or softphone.

May 26, 2018, 11:02 pm
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We have a remote office with Yealink T23G phones. I need to get some sip logs from an outbound call.

I noticed there is a feature to dial a number, but that doesn't seem to place a call.

How could I remotely make a call from one of the phones?

I have enabled auto answer, and dialled in fine, incoming calls work fine. Just need to make a outbound call some how.

Can I download a softphone version of a Yealink T23G phone and make the call that way?

Look forward to hearing from you.
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Yealink Phones + OpenVPN

May 27, 2018, 3:14 pm
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We are using Freepbx Asterisk 13 with OpenVPN connected to Yealink Phones T20, T26, W52, T27P models. Most of remote users Yealink phones goes silent (no audio both ways) for 5-10 seconds while they connected to inbuilt OpenVPN. We have been tested with other branded phones with OpenVPN that works perfectly. All the above mentioned model phones are upgraded with latest available firmware.

There is no packet or jitter loss issues.
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DND Dial 2 Codes at once

May 28, 2018, 11:25 pm
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I'm wondering if it is at all possible for the DND feature to be able to dial not one code, but two, perhaps in sequence or at the same time even.

I have a customer who is using DND but not logging out of their queues, I would like the phone to be able to dial two star codes (one to enable DND on the system and another to log them in/out of the queue) when DND is turned on, then another two when it is turned off.

Does anyone know if this is currently possible?
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CP860 EoL?

May 29, 2018, 1:41 am
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Has the CP860 gone EoL? I don't see it in the list of EoL products on the Yealink Support website but one of our suppliers is saying it's "long gone".
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T48S

May 29, 2018, 2:36 am
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I have a customer with 4 T48S phones. They have BLF's for all of their users on their DSS keys. Every time the phones reboot, the BLF's hide and the use has to select More. Is there a way for it to show all the DSS keys all the time unless the user chooses to Hide them?
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BToE for CP960

May 29, 2018, 12:45 pm
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Configuration Yealink W52P for a GSM Gateway.

May 30, 2018, 8:04 pm
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I am unable to establish a working line between the W52P and the Gateway.
Incoming phonecalls work, outgoing phonecalls do not.
I am not using Astriks or anything else then this gateway and the W52P and once they are configured I will disconnect WAN completely.
I want the W52P to use a mobile SIM and nothing else.
I really hope someone can help me out, because at this point I think I might have attempted all combinations brute force and I simply don't know where to go from here.

(hopefully) All relevant settings:

====================================
SETTINGS Yealink W52P
https://3macae71618368hq3ytkqe1c-wpengin...V73_27.pdf
==============================
Firmware version: 25.73.188.8
Handset version: 26.73.188.2
----
Network Settings:
IP Address: 192.168.0.132
Gateway: 192.168.0.1
Primary DNS: 192.168.0.1
Subnet Mask: 255.255.255.0
----
Account:
Register Status Register Fail
Line active = Enabled
Label, Display Name, Register Name, User Name, Password = test
Enable outbound Proxy server, NAT Traversal = Disabled
SIP Server 1:
SIP Host = 192.168.0.145:5060

Number assignement:
Headset1 is assigned for line 'test' for incoming as well as outgoing lines


====================================
SETTINGS Local Network
====================================
Router IP / internal network : 192.168.0.1 / 192.168.0.x


====================================
SETTINGS GSM Gateway: Portech MV-372
http://www.portech.com.tw/data/MV-372%20...manual.pdf
====================================
Firmware: Ver = v10.115
Network mode: Bridged
---
WAN Settings:
Master IP: 192.168.0.145
MASK: 255.255.255.0
Gateway: 192.168.0.1


Mobile to LAN Settings:
Item 0 | CID * | URL 192.168.0.132 ;Accept all numbers and transfer to 192.168.0.132
---
LAN to Mobile Settings:
Item 0 | URL * | Call Num # ;No restrictions for the incoming IP address, one stage dialing.
------
SIP Settings
Mobile 1, Realm 1:
Display Name, User Name, Register Name, Register Password = test
Domain Server = 192.168.0.145
Proxy Server = -
Outbound proxy = -
---
Ports Setting
Port of Mobile 1:
SIP Port: 5060
RTP Port 20000
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T48G Blank white Screen

May 31, 2018, 12:15 am
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Walked into work this morning and my T48G had a blank white screen.

It could make and receive calls.

Tried to re-install new firmware both for SFB and just the new firmware Yealink released for the T48G.

Nothing working.

After a while the screen went dark and the message light started flashing.

Any ideas?
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Headset button keeps disabling itself after upgrade to FW 28.83.0.30

May 31, 2018, 9:43 pm
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Since we updated our phone to FW 28.83.0.30, the headset button keeps disabling itself randomly. Before that, once the button was on (green), it stayed that way. After the update, it started disabling itself randomly.

It happens on 46G, 46S and 42S
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How to Pair CPW90 with CP960 SfB

June 1, 2018, 6:56 am
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I have a CP960 with 2 wireless microphones. I can't see how to pair the microphones when running the Skype for Business firmware version 73.8.0.17. Can someone please point me to the documentation on how to pair/associate/register the wireless microphones when running the Skype for Business firmware on the CP960?

Best regards,
Mike
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T27G openvpn

June 3, 2018, 8:59 am
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Hi

We run a few openvpn connections.
I have the following versions:-

Firmware Version 69.83.0.10
Hardware Version 69.0.0.0.0.0.0

I have created SHA1 certs for the phone
My config is shown as follows:-

remote x.x.x.x
port 1255
proto udp
nobind
dev tun
dev-type tun
ifconfig 172.x.x.2 172.x.x.1
ca /config/openvpn/keys/ca.crt
cert /config/openvpn/keys/yealink01.crt
key /config/openvpn/keys/yealink01-1.key
comp-lzo
ns-cert-type server
verb 5
tls-client
client
resolv-retry infinite

Syslog is showing:-


May 31 17:21:20 172.16.0.176 openvpn[1330]: OpenSSL: error:14090086:lib(20):func(144):reason(134)
May 31 17:21:20 172.16.0.176 openvpn[1330]: TLS_ERROR: BIO read tls_read_plaintext error
May 31 17:21:20 172.16.0.176 openvpn[1330]: TLS Error: TLS object -> incoming plaintext read error
May 31 17:21:20 172.16.0.176 openvpn[1330]: TLS Error: TLS handshake failed

Why does it fail ?
Phone is connected to NTP and time looks correct.
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T41P Recovery files

June 3, 2018, 10:58 am
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I have a customer who was on Verizon hosted that we have switched to Jive hosted. They have 5 Yealink T41P phones they want to use, but Verizon does something to them that won't allow web access and doing the standard factory reset just causes the phone to re-download the Verizon files again. I want to try the recovery process but can only find the rom file, not the other two files needed.

I'd like to make a request to have the files sent to me in a PM. Thanks.
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