Core Issue
To reproduce the issue, perform these steps:
- Press Settings > Ring Type > Select Default Ring > in the Ring Type menu.
- Press the Play softkey for the first entry (for example, Chirp 1).
- With the Up/Down button, step down to and play the third option (Analog Synth 1 Ring).
- Go up a step, to the second option (Chirp 2), and play that ring.
After this, all the softkeys in the menu become unresponsive, and the phone must change menus with Directory or Services button.
This problem is documented in Cisco bug ID CSCsa99809.
Resolution
To resolve this problem, perform this procedure:
Also, this problem is fixed in an engineering special (ES) phone load version which is built off of the 7.2(2) load (P00307020200).The ES load which includes this fix is called P0030702T021. The forthcoming 7.2(3) load includes these bug fixes.
In order to download the IP phone load version mentioned, refer to Cisco Downloads.
Problem Type
Call connection (Connection quality: One-way audio, no busy tone, dropped calls, etc.)
IP phones and other clients (Client registration, faulty IP phone, etc.)
Call Connection
Ring tone or rings
IP Phones and Clients
IP phone faulty operation
Failure Type
Bad operational behavior
Drops out, times out, flaps, toggles, hangs, gets stuck, locks up, loops, temporary pause, stops responding, cuts short, etc.
Cannot be configured correctly
Cannot create, add, assign, calculate, modify, update, record, delete, eliminate,hide, remove, purge, save or extend
End Where Problem is Heard or Device Type Involved
IP phone
IP Phone Errors
Display Freezes/Shows Screen with Update and Exit Softkeys
IP Phone Models
7940G
7960 series