You cannot complete a call

One or more of the following factors might apply:

• Your phone is out of the wireless network access point service area.

  Note	When roaming with your phone, a green blinking light indicates that the phone is still within the wireless service coverage area.

• You must log in to the Extension Mobility service.
• You must enter a client matter code or forced authorization code after you dial a number.
• Your phone has time-of-day restrictions that prevent you from using some features during certain hours of the day.

The main screen is not active

One of these messages appears on the status line:

• Network busy: Not enough available bandwidth exists in wireless network to complete this call. Try again later.
• Leaving service area: Phone is out of range of its associated access point and wireless network.
• Locating network services: Phone is searching for a wireless network access point.
• Authentication failed: Authentication server did not accept the security credentials.
• Configuring IP: Phone is waiting for DHCP to assign an IP address.

The Settings menu is unresponsive

Your administrator might have disabled access to the Settings app on your phone.

Conference fails

Conference requires multiple selected calls. Be sure that you have selected at least one call in addition to the active call, which is selected automatically. Conference also requires the selected calls to be on the same line. If necessary, transfer calls to one line before joining them.

The softkey that you want to use does not appear

One or more of the following factors might apply:

• You must press More to reveal additional functions.
• You must change the line state (for example, place a call or have a connected call).
• Your phone is not configured to support the feature associated with that softkey.

Barge fails and results in a fast busy tone

One or more of the following factors might apply:

• You cannot barge an encrypted call if the phone you are using is not configured for encryption. When your barge attempt fails for this reason, your phone plays a fast busy tone.
• You cannot barge a call on another Cisco Wireless IP Phone.

You are disconnected from a call that you joined using Barge

You are disconnected from a call that you joined using Barge if the call is put on hold, transferred, or turned into a conference call.

Call back fails

The other party might have call forwarding enabled.

The phone shows an error message when you attempt to set up Call Forward All

Your phone may reject your attempt to set up Call Forward All directly on the phone if the target number that you enter would create a Call Forward All loop or would exceed the maximum number of links permitted in a Call Forward All chain (also known as a maximum hop count).