I have one IP Phone 7942 showing "configuraing IP" connected to Switch WS-C3750E-24PD-S, I found that IP Phone got power 7.0 watts from the switch interface and voice traffic not able to come on voice vlan, it's coming on data vlan and in case delete data vlan it's coming on vlan 1, kindly looking to your advice and find below the interace confguration:
Yes, there are other IP Phones working well as shown below :
#sh cdp nei Capability Codes: R - Router, T - Trans Bridge, B - Source Route Bridge S - Switch, H - Host, I - IGMP, r - Repeater, P - Phone, D - Remote, C - CVTA, M - Two-port Mac Relay
Device ID Local Intrfce Holdtme Capability Platform Port ID SEP5475d0dac02e Gig 2/0/7 147 H P M IP Phone Port 1 SEPf866f29879c0 Gig 1/0/44 155 H P M IP Phone Port 1 SEP5475d0dab5a2 Gig 1/0/19 123 H P M IP Phone Port 1 SEP5475d0dabf32 Gig 1/0/18 123 H P M IP Phone Port 1 SEP5475d0dac02f Gig 2/0/20 138 H P M IP Phone Port 1
SEP1C17D3404879 Gig 2/0/13 164 H P M IP Phone Port 1 (Not Working )
Issue has been solved, I found that issue from Port patch panel in the rack, since I pugged the IP Phone direct to switch port found that IP Phone is working well on voice vlan, but once I plug it on the port through patchpanel rack I'm facing same issue "configuraing IP" on the phone screen and voice traffic coming on the vlan 1.
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