Troubleshooting; Problems; No Dial Tone Or Cannot Complete Call - Cisco 7931G User Manual

Troubleshooting

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Problems

This section provides information to help you troubleshoot general problems with your phone. For more
information, contact your system administrator.

No Dial Tone or Cannot Complete Call

Problem
You cannot hear a dial tone or complete a call.
Cause
One or more of the following factors might apply:
• You are not connected to Extension Mobility service.
• The system requires a Client Matter Code (CMC) or Forced Authorization Code (FAC) after dialing a
• Your phone has time-of-day restrictions that prevent you from using some features during certain hours
Solution
Try the following:
• Log into the Extension Mobility service.
• Enter a CMC or FAC after dialing a number. (SCCP phones only.)
Problems, page 95
Phone Troubleshooting Data, page 98
Quality Reporting Tool, page 98
number. (SCCP phones only.)
of the day.
Cisco Unified IP Phone 7931G User Guide for Cisco Unified Communications Manager 9.0 (SCCP and SIP)
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