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Problem
Possible cause and solution
1.
If EVM does not answer and greet.
•
Please check whether the power supply is normal or not.
•
Please check the port of PABX and see whether wire has connected between EVM and PABX or not.
•
The extension port maybe locked by PABX. Please set the Port Auto-detection. SYS_47_[2]
2.
EVM responds after External line 2
~ 3 rings.
•
This is normal. Set the SYS_31_[0] for improvement.
3.
Immediate conversation over the
phone is inaccessible while the
called person responds to the call.
•
This is normal while the EVM is supervisory the call. Use the Call Pickup or ID Code for Unsupervised Transfer.
•
EVM has not finished Auto-configuration yet. Please dial three times for "a busy extension" and "an available
extension (do not answer)".
4.
EVM always announces that the
number dialed is faulty when in fact
the line is busy, and vice versa.
•
Please exchange the parameters for Error tone with the Busy tone.
5.
EVM announcement repeats:
"Please wait" every 4 seconds, and
the call is not on hold.
•
HOOK-FLASH time is too short, please set SYS_71_[ ]
•
Occasional occurrence – insufficient DTMF Receiver for PABX.
6.
EVM announcement repeats:
"Please wait" every 4 seconds, and
the call is being held.
•
If the frequency of Dial Tone is not the range of 300- 640 Hz, please set SYS_48_[2] for not detecting the frequency.
•
Occasional occurrence – insufficient DTMF Receiver for PABX.
7.
If caller dialed a correct extension
number, but EVM announces
"Wrong number" or "Line busy" and
the extension does not ring.
•
If PABX does not accept prompt speed of DTMF sent by EVM, please set SYS_51_[2].
•
If the PABX doesn’t use “HOOK-FLASH” as the only way to transfer the incoming calls, please set whether it is
needed to set SYS_61_[ ] in EVM, which depends on PABX.
•
Occasional occurrence – insufficient DTMF Receiver for PABX.
•
Please check in the PABX to see whether the service class of the Ext. ports has connected to EVM.
7
8.
If EVM announces "Please wait"
and then EVM is suddenly
disconnected.
•
HOOK-FLASH time is too long. EVM will automatically configure HOOK-FLASH by setting the starting time from at
least “0.13 seconds” and up to certain ranges depending on PABX. If the setting time of your PABX is less than 0.13
seconds. Please set SYS_71_[ ] to fit the appropriate interval of time to PABX.
•
If the PABX uses "Grounding to Hold”, it usually accepts the “0.06 seconds” HOOK-FLASH time.
9.
EVM announces "Please wait" and
utters few times of “BO-BO...” then
is suddenly disconnected.
•
If the frequency of Dial Tone is not the range of 300- 640 Hz, please set SYS_48_[2] for not detecting the frequency.
•
If the Dial Tone is too weak, please set ADM_59908_x[ ]xx to increase the sensitivity for CPT detection.
•
If Dial Tone is not detected after making HOOK-FLASH, please set SYS_45_[2] for not detecting Dial Tone.
10.
If EVM does not announce "Line
busy” or “No-answer" prompt.
•
If the CPT is delayed or reminder tone exists before the CPT, please set to delay the detection of CPT. SYS_73_[ ]
•
If the frequency of CPT is not the range of 300- 640 Hz, please set SYS_48_[2] for not detecting the frequency.
•
If either the cycles of Ring back tone or Busy tone is irregular, please set SYS_46_[1] for larger deviation of cycles in
tone detection.
•
If CPT is too weak, please set ADM_59908_x[ ]xx to increase the sensitivity for CPT detection.
•
IF Key Telephone system has been set to Voice Call, please change it to ringing.
•
Please check SYS_62_[ ], SYS_55_[ ], SYS_56_[ ] to see whether it is correct way to retrieve the Busy/ Unanswered
call. In this case, it depends on PABX.
•
If HOOK-FLASH time is too short, please set SYS_71_[ ]
11.
Others
Use the hand-free of the PROG-TEL (Set SYS_4
_[2] for disable External Switch), press # to exit program setting and
return to the Greeting. After the EVM finished playing the Greeting and became in condition of silence, the procedure of
the Line transfer can be monitored through the speaker of the PROG-TEL to pin-point the problem.
DTMF Receiver in PABX is inadequate. The suggested solution is as follow:
1.
Increase more units of DTMF Receiver for PABX.
2.
To set program for EVM to Dial Pulse (DP) Transmission.
3.
Disperse the Extension Line of EVM into several Interface Cards of PABX. (For example, every SLT Card of KX-TD contains only two-circuit DTMF Receiver.)
7.
Содержание EVM1001
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