1.15 Optional Device Features
Feature Guide 113
• Fax Tone Detection
It is possible to select the number of times the fax (CNG) tone must be detected while the DISA OGM
is sent before the PBX recognises the incoming signal as fax data ( FAX Tone Detection [514]). If the
assigned DISA OGM has not been recorded or if the DISA OGM is short (0–5 s), in some cases the fax
(CNG) tone may not be detected. In this case, it is recommended to set the length of time the PBX
keeps detecting a fax (CNG) tone after completing a DISA OGM to "10 s" or "15 s" through system
programming ( DISA Wait Time after OGM [505]).
• It is programmable whether a ringback tone ( Ringback Tone Pattern [128]) or Music on Hold (
Music on Hold [111]) is sent to the caller when a DISA call is received ( DISA Ringback Tone [531]).
Installation Manual References
2.3.7 Message Expansion Card for DISA/UCD OGMs (KX-TE82491)
Feature Guide References
1.1.1.2 Intercept Routing
1.15.7 Built-in Voice Message (BV)
User Manual References
1.2.7 Accessing Another Party Directly from Outside (Direct Inward System Access [DISA])
3.3.1 Programming Information
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