Enterprise IP Phone Trouble Shooting

Which GN Netcom/Jabra Headsets are compatible with the Yealink EHS36?

1) Jabra GN9120 EHS variants (these are not normally available in the UK)

2) Jabra GN9330e

3) Jabra GN9350e

4) Jabra PRO 9400 series (all 4 models)

5) Jabra GO 6470

I cannot register to the SIP Proxy

1) Check you have been allocated an IP address. If you have set your WAN port to DHCP mode, please make sure that your DHCP server is on.

2) Check your gateway.

3) Check your DNS server.

4) Make sure your account information is the same as you received from your ISP.

5) Check that the SIP proxy server is on.

6) Check the SIP register port, the default value is 5060.

My phone can not aquire an IP address

1) Make sure you have plugged your Ethernet cable into the WAN port.

2) Make sure that the DHCP server is on, and there are available IP addresses in the server.

3) Try to set your WAN port to static IP client mode.

During a call I cannot hear any sound

1) Make sure your curly cord is correctly connected to the handset and to the phone handset port, and not the headset port!

2) Check the mute button is not pressed.

3) Consult the outbound server details with your ISP.

DTMF tones are not working

1) Check which kind of DTMF you are using, and whether it is compatible with the server. Confirm required DTMF Setting with your ISP.

2) Consult the payload value with your ISP.

How do I change the time?

Select the correct time zone or enter the time information manually via the web interface or through the phone menus.

How do I answer a second incoming call when already on a call?

If a call comes in when you are in a conversation, press the Answer key to answer the incoming call.

How do I refuse incoming calls during a call?

You can turn off the Call Waiting function off, and then our phone will refuse all the incoming calls when you are in a conversation.

How do I send SMS messages?

You can create and edit SMS messages in MENU-> Messages->Text Messages.

Note: Make sure that the SIP server you have registered supports SMS functions.

How do I update the firmware?

1) Access the webpage of your phone by typing its IP address into your web browser, go to Upgrade, then you can find the option "Select and Upgrade Firmware" at the bottom of the page.

2) Select the file to update, then click the Upgrade button.

Note: Make sure the firmware you choose is provided / supported by your service provider, or the device may crash after the update.

How does auto provisioning work?

User guide on this subject can be downloaded from the Technical Instructions Page.

Alternatively please contact your service provider for further details.

Which is the correct bottom cable for connecting a Plantronics Headset to a Yealink device?

The correct Plantronics headset bottom cable is the U10PS

Which is the correct bottom cable for connecting a Sennheiser Headset to a Yealink device?

The correct Sennheiser headset bottom cable is the CSTD01

Which is the correct bottom cable for connecting a GN Netcom Headset to a Yealink device?

The GN Netcom headset bottom cable is switchable and therefore will work with any device

Which is the correct bottom cable for connecting an Agent Headset to a Yealink device?

The correct Agent headset bottom cable is the DA30 Smart Cord (use setting 6)

How do I change the Phone Volumes

1) Ring Volume

When the Phone is on the Idle screen press - or + volume key until you have the desired ring volume.

2) Ear Piece Volume

When on a call press the volume - or + key until you have the desired volume.