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New Member

phone registration

I am new to VoIP and I have one Cisco catalyst 3750 switch.. in which I have connected three 9971 phones and one 9951phone ,only 3 phones get registered ( 9971 ) but one phone is not taking Vlan ... And when I use command sh cdp neighbor that phone is not detecting even but phone is getting power and it is on and showing "connecting" .... What to do
2 REPLIES

Hi.Can you please move the

Hi.

Can you please move the 9951 phone on a port where a 9971 is connected and see if with a show cdp neighbor you are able to detect the IP Phone.

Do also a show mac address-table interface gX/X/X to see if the ip phone is propagating its mac address and in which VLAN.

 

Let me know

 

Regards

 

Carlo

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New Member

check DHCP, and vlan

check DHCP, and vlan configuration seems Layer 1 issue

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