IP Phone 7921 DHCP Timeout

[fadelelali]

Dear 

I have Cucm server with around 25 Wired Ip phone and all working Fine,Yesterday i bought Wireless IP Phone 7921 to add to my network and i faced problem in registering the Phone.

1) The Wireless AP is open mode (Security disabled).

2)DHCP on the AP is Disable

3)the Cucm is well configured with TFTP server and DHCP server is runnning as all Wired IP Phone are getting IP and Working Fine.

4)the Wireless Phone is configured with  the TFTP server IP and DHCP is enabled

5)the Security mode is Open on the 7921 and the Wireless name is correct(connected to Wireless AP).

6)The 7921 stuck all time on Ip Configuration?i dont know where is the problem?the Firmware V is 1.4.1

any support would be highly appreciated.

Thanks in advance

[Leo Laohoo]

1.  DHCP Option 150; 

2.  MINIMUM firmware of 1.4(3)

[fadelelali]

Dear 

Thanks for your reply.

the DHCP option 150 is enabled on the CUCM.

the 7921 has DHCP enabled and the alternative TFTP address set to the TFTP address of option 150 (same as the CUCM),i will update the Firmware and Check again