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Flash
DSX Software Manual Features ◆ 177
Features
Flash
Description
Flash allows an extension user to access certain CO and PBX features by interrupting line loop current.
Flash lets an extension user take full advantage of whatever features the connected telco or PBX offers. You
must set the Flash parameters for compatibility with the connected telco.
Flash for Single Line Extensions
The Class of Service option
1403-01: Flash for Single Line Set (page 635)
allows you to enable or disable
hookflash for analog single line extensions. If enabled (Y), a single line extension can hookflash normally and
use any of the associated system features. If disabled (N), hookflash is prevented. This means the analog exten-
sion can not use any features that require a hookflash (such as Hold, Conference, or Transfer). This may be
helpful for lobby phones and single line Ringdown Extensions that should not have access to system features.
When 1403-01: Flash for Single Line Set (page 635) is enabled (Y):
❥ A single line extension user cannot seize an outside line and hookflash without dialing. If they do, the
system will disconnect the initial outside call.
❥ If a single line extension user hookflashes to place their current outside call on Hold and then hangs up,
the outside call will immediately recall the extension.
The option is ignored for voice mail ports.
Conditions
• None
Default Setting
• Enabled
Programming
1. In 1612-04: PBX/Centrex Flash Timer (page 686), set the timer for compatibility with the connected
Centrex or PBX.
1. In 2102-01: Class of Service (page 724), check the extension’s Class of Service level.
2. If yes, in 1403-01: Flash for Single Line Set (page 635)
enter
Yes
.
3. If no, in 1403-01: Flash for Single Line Set (page 635)
enter
No
.
Extension users can access certain CO and PBX features by interrupting line loop current.
1. Check the setting of the system’s Flash timer.
2. Should a single line extension be able to hookflash?