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Yealink Forums » IP Phone Series » T4x Series » Yealink T40G Requests DHCP even though it has a static IP address

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Yealink T40G Requests DHCP even though it has a static IP address
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DcData_Support Offline
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Post: #1
Yealink T40G Requests DHCP even though it has a static IP address
Hi Guys

We have a Yealink T40G Firmware Version (76.84.0.125) with a static IPV4 address configured on a VLAN. However, sometimes the phone requests DHCP and then drops the call. LLDP, CDP, and DHCP VLAN are disabled.

Any idea why the phone requests DHCP?

Please let me know if you require any further information.
04-29-2021 04:27 PM
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complex1 Offline
3CX Adv. Cert. Engineer
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Posts: 1,403
Joined: Jan 2014
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Post: #2
RE: Yealink T40G Requests DHCP even though it has a static IP address
(04-29-2021 04:27 PM)DcData_Support Wrote:  Hi Guys

We have a Yealink T40G Firmware Version (76.84.0.125) with a static IPV4 address configured on a VLAN. However, sometimes the phone requests DHCP and then drops the call. LLDP, CDP, and DHCP VLAN are disabled.

Any idea why the phone requests DHCP?

Please let me know if you require any further information.

Hi,

Hard to say what causes this problem.
I recommend resetting the device to factory default, re-provision it and try again.

Hope this will help.
Kind regards,
Frank.

I am not an employee of Yealink.
Dutch is my native language, not English. Apologies for my imperfect grammar.
Please do not send unsolicited PM messages. I will not answer them.
04-30-2021 01:53 AM
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