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7960 IP Phone problem

Answered Question
May 5th, 2003
User Badges:

cannot reset phone

keeps booting up with "unprovisioned SIP"

need to use SEP

Correct Answer by tringwelski_2 about 14 years 3 months ago

the unsip zip file can be downloaded from cco, which will contain the following files: OS79xx.txt, P003D302.bin, sipDefault.cnf

Correct Answer by tringwelski_2 about 14 years 3 months ago

Try this "Un-Sip" IP Phone:


try the following procedure for downgrading a 7940 or 7960 phone from SIP:

1) move the following file into a temp directory on your CallManager Server.

Filename: UnSIP.zip

2) extract the contents of the zipfile into the TFTP directory on your

callmanager. (usually c:\program files\cisco\TFTP) It's the directory with

all the other SEP*.cnf and *.bin files in it. Put these there as well.

3) hard-reboot the SIP phone by physically unplugging it from any power and

unplugging it from the network.

4) ensure that auto-registration is enabled on your CallManager cluster.

5) Plug IP phone back in to the network and make sure that it's in the voice

VLAN and receiving an address and option 150 or option 66 that points it to

the CallManager server. This assumes you're using DHCP to deliver IP

addresses to the phones.

6) if successful, phone will reboot several times - it'll first downgrade to

a MUCH older Skinny Phone load, then update to a more modern Skinny phone

load. When done, the phone will either be auto-registered to the

CallManager, or will be back at the config it had when it was last connected

to CallManager before being converted to a SIP phone.


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Correct Answer
tringwelski_2 Mon, 05/05/2003 - 13:41
User Badges:
  • Bronze, 100 points or more

Try this "Un-Sip" IP Phone:


try the following procedure for downgrading a 7940 or 7960 phone from SIP:

1) move the following file into a temp directory on your CallManager Server.

Filename: UnSIP.zip

2) extract the contents of the zipfile into the TFTP directory on your

callmanager. (usually c:\program files\cisco\TFTP) It's the directory with

all the other SEP*.cnf and *.bin files in it. Put these there as well.

3) hard-reboot the SIP phone by physically unplugging it from any power and

unplugging it from the network.

4) ensure that auto-registration is enabled on your CallManager cluster.

5) Plug IP phone back in to the network and make sure that it's in the voice

VLAN and receiving an address and option 150 or option 66 that points it to

the CallManager server. This assumes you're using DHCP to deliver IP

addresses to the phones.

6) if successful, phone will reboot several times - it'll first downgrade to

a MUCH older Skinny Phone load, then update to a more modern Skinny phone

load. When done, the phone will either be auto-registered to the

CallManager, or will be back at the config it had when it was last connected

to CallManager before being converted to a SIP phone.


Correct Answer
tringwelski_2 Mon, 05/05/2003 - 13:45
User Badges:
  • Bronze, 100 points or more

the unsip zip file can be downloaded from cco, which will contain the following files: OS79xx.txt, P003D302.bin, sipDefault.cnf

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