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New Member

CP-7985G Booting Problems

I Friend

I have a problem with a Cisco 7985G video phone, but It is not booting, into the screen appear config VLAN, ip address after Quering TFTP server 172.20.98.250, but nothing happend, I checked the conectivity and everything is OK, also I have into CUCM the last firmware.

How can I fix this issue.

Regards

Rafael Barba

  • IP Telephony
19 REPLIES
New Member

Re: CP-7985G Booting Problems

Is this the correct TFTP server - 172.20.98.250 from where phone shd get its config and load file..

Are u giving the ip address and other nerwork details to the phones manually or its picking them from the DHCP server..

Try giving them manualy and see that the the port where that phone is connecting is in the correct VLan..

Also check the compatibilty of the 7985 phone with your Call Manager..

In case you are using Auto registration , try to add phone manually in the call manager and see if that makes any difference...

New Member

Re: CP-7985G Booting Problems

Hi.

All the IP phones are picking the IP from a DHCP Server, and the TFTP server is the 172.20.98.250, I put the IP address manually and I checked that the VLAN was the correct, also I added the IP phone manually, with the user, and the phone, with the mac'address.

How can I disable autoregistration???,

The Call Manager is MCS7816H3-K9-CMC1 HW/SW MCS 7816-H3 Unified CM 7.0 Appliance The IP phone 7985 is compatible?? with the Call Manager that I sent you???.

How can I fix tihios issue??

Regards

Rafael Barba

Bronze

Re: CP-7985G Booting Problems

To help in troubleshooting, can you plug the 7985 into a port of a phone that is working? This will narrow down the problem to either a routing problem or a UCM configuration problem.

New Member

Re: CP-7985G Booting Problems

To disable the Auto registration on the Call manager pls follow the following instructions:

System > Cisco Unified CM > Select the call manager where phone is registering > uncheck the following option:

Auto-registration Disabled on this Cisco Unified Communications Manager

New Member

Re: CP-7985G Booting Problems

Thank you for your answer, I will go to do that and I will inform you?.

Regards

Rafael Barba

New Member

Re: CP-7985G Booting Problems

Rafael please , i' running in the same problem, how do you have solve it.

7985 seems to have problem to booting in the tftp the request is correct but after this the phone do not make any change. And not register with own call manager group.

New Member

Re: CP-7985G Booting Problems

I am also seeing this issue. I plugged the 7985 into the same port that a 7965 was connected to, and the 7965 booted and registered ok.

When I connect the 7985 to this same port I see the issue that others mentioned above.

I am using CUCM 7.1.3.

New Member

Re: CP-7985G Booting Problems

can u send the switchport configuration here?

*Are u using DHCP server to allot IP addresses to the phones.

* When u plug ur 7985 phone to the port, does it get all the info from the DHCP server like ip address, TFTP server, default gateway, subnet mask

* Once it gets the ip address , can u ping that address from the TFTP server.

* Did u capture sniffers from the back of the phone. If not the then u capture them and see whats going on.

Do u see phone contacting its TFTP server to get the config file from there

New Member

Re: CP-7985G Booting Problems

Thanks for the quick reply! Answers inline.

>>>>>can u send the switchport configuration here?

interface FastEthernet0/0/2

load-interval 30

duplex full

speed 100

spanning-tree portfast

>>>>>Are u using DHCP server to allot IP addresses to the phones.

Yes, the voice gateway is the DHCP server, here is the DHCP config.

ip dhcp pool VLAN1

import all

network 192.168.1.0 255.255.255.0

default-router 192.168.1.1

option 150 ip 192.168.1.10

lease 4

>>>>>When u plug ur 7985 phone to the port, does it get all the info from the DHCP server like ip address, TFTP server, default gateway, subnet mask

I believe so, but the phone is rebooting so often that I can't get into the phone settings to look at what it received from the DHCP. Other phones besides this 7985 register correctly however.

>>>>>Once it gets the ip address , can u ping that address from the TFTP server.

Yes

>>>>>Did u capture sniffers from the back of the phone. If not the then u capture them and see whats going on.

What am I looking for when I do the packet capture?

>>>>>Do u see phone contacting its TFTP server to get the config file from there

Yes, I see the following sequence on the 7985's LCD every time the phone boots;

1. Configuring VLAN

2. Configuring IP

3. Querying TFTP server at 192.168.1.10

4. Reboot

Thanks!

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