Special cases, Operation in default setting – Invotel SX4400EZ User Manual

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Adjusting Voice Activation/ De-activation Level:
In ALT2 voice activation operation you may adjust the sensitivity level for voice
activation/ voice deactivation for each line, this done as follows:

To gain more sensitivity: select L1, you get dial tone, wait about 8 seconds till you
hear a BEEP now press then press , hang up and try the call again
and repeat again to get more sensitivity if needed.
Repeat for L2, L3 or L4 if desired.

To reduce the sensitivity level : select L1, you get dial tone, wait about 12 seconds
till you hear a double BEEP now press then press , hang up and
repeat again if needed.
Repeat for L2, L3 or L4 if desired

Special cases:

If audio activates suddenly in Default switch setting , your lines may be
“too Hot” Try ALT2 setting; if problem persists, try this one time programming:
Confirm switch is in Default , select L1, while dial tone is being heard, wait about
8 seconds till you hear a BEEP now press then You will get
confirmation via continues BEEPS and blinking audio. Hang up and repeat for L2,
L3 or L4 if needed. Keep the switch in Default.

If audio does not activate at all in Default setting even though you have
compatible phones your lines may be “too weak” try this one time programming:

Confirm switch is in Default , select L1, while dial tone is being heard, wait about
12 seconds till you hear a double BEEP now press then You will get
confirmation via continues BEEPS and blinking audio. Hang up and repeat for L2,
L3 or L4 if needed. Keep the switch in Default.

This device can be programmed to activate compatible corded phones via just Hold
button and cordless phones via “Flash then Hold” for example: say you have ATT
955 corded phones and Uniden cordless phones, try this:

Set switch to Default , select L1, wait about 12 seconds till you hear a double
BEEP now press then You will get confirmation via continues
BEEPS and blinking audio. Hang up and repeat for L2, L3 or L4 if applicable; Now
set switch to ALT1

In each one of above cases the device stays in that special setting there after.
Unless you get a long power outage or you remove the phone lines from the device.

To remove special settings: UN-plug the 9VAC power for a minute or remove the
corresponding wires from Wall Jacks for 10 seconds

Operation in Default setting:

To place a call on Music-On-Hold, simply press the button on your
telephone, the Music will be heard on the line and the red HOLD Light indicator for
that line turns ON , to return to the call just re-select that line.
Be sure to allow 2 seconds before putting a call on HOLD.

Deactivating hold music manually If for any reason the hold music is activated
inadvertently, it can be deactivated by pressing the button

The following are examples of phones that work in ALT1 or ALT2 settings: Casio,
American Venture, ATT 962, ATT 972, Panasonic KX-TG 2000B, KX-TG4000B,

KXTG2000, KX-TG2720, KX-TG2730, KX-TG2740, KXTG4000, KX-TGA200, KXTGA400, KX-
TGA420, SBC 410

List of compatible corded phones supported via Default setting:

Please note: This is a partial list, there are other factors relevant to activation via Hold button in
Default setting-see-the trouble shooting section or special setting, If your phone is not on this
list , although you can try the default setting, use the ALT1 setting. ALT1 works on all phones.

AT&T: 21070, 262, 272, 412, 422, 4952, 612, 622, 712, 722, 732, 742, 752, 812, 822,
830, 832, 842, 843, 853, 854, 874, 902, 912,922, 944, 952, 953, 954, 955, 964, 974,984
SIGNATURE, FT483, 945
Brother Quatro: 412
Bell: 223, 232, 259, 261, 268, 367, 470, 52905, Sonecor 412, 412CID, 4900, BE5200,
BE5300, Techline 420
GE: 187, 2-9315-A, 2-9318, 2-9435-A -B -C, 2-9436-A, 2-9438-A, 2-9450-A -B -C -D -E -
F, 2-9439-A to -EGL, 2-9451A, 2-9481, 2-9487GE2-A, 2-9488, 2-9638-A, 2-9975, 2-
9488GE2-A RCA 25403 RCA
IBM: 412, 412CID, 4900
Northern Telecom: Unity
Phonemate: PMG-4600
Panasonic: KX-T3110 3120 3122 3135 3145 3155 3160 3165 3170 3175 3280 3980-H
3980-R7 3981, KX-TC930, KX-TS20, KX-TS21, KX-TS25, KX-TS27, KX-TS208, VA-8400
Radio Shack: 206, 208, 209, 210, 212, 411, 412, 612, 43-373D, 43-430, 43-642, ET-180,
43-470, ET-184, ET-192, ET-193, 43-622, 43-469 , 1710, 1753
Sony: IT-M804
SBC:

2105, 4000

Southwestern Bell: FT325, FT360, FT365BL FT383, FT412, FT483, FT484
Sprint/Radio Shack: SP-702 / 43-5702, SP-705
TT Systems: 4012, 412, 412CID, 4900, 4300, 5100, 5200, 5300, 7993
Vtech: 4121

ALT1 Default ALT2

Hang up and set switch to Middle position

FLASH

HOLD

Tip: If you have audio flicker problem , Reduce the Volume on

your audio source

FLASH