Invotel SX-8200, 2 Line Analog Music-On-Hold Adapter

The Invotel SX-8200 is a universal adapter that allows you to connect the Tel-A-Patient Message-On-Hold Unit to two (2) analog telephone lines. Many different corded phone models will work with this adapter using the Hold Button Only mode. With the Hold Button Only mode, your On-Hold Messages will begin playing when you hit the Hold button on your phone. This adapter also works with many cordless phones using the Flash Then Hold Button mode. In this mode, you must hit Flash, then Hold, in order for the On-Hold Messages to begin playing.

Click here to download the SX-8200 Manual

Invotel SX-8400, 4 Line Analog Music-On-Hold Adapter

The Invotel SX-8400 allows you to connect the Tel-A-Patient Message-On-Hold Unit to up to four (4) analog telephone lines. This universal adapter is compatible with many different corded phone models using the Hold Button Only mode. With the Hold Button Only mode, your On-Hold Messages will begin playing when you hit the Hold button on your phone. Many cordless phones are also compatible with this adapter using the Flash Then Hold Button mode. In this mode, you must hit Flash, then Hold, in order for the On-Hold Messages to begin playing.

Click here to download the SX-8400 Manual

Here is a list of corded phones compatible using the Hold Button with these adapters.

Please note: These models are not 100% guaranteed to work as there are other factors relevant to activation via the Hold button. For information on other settings and trouble shooting or special settings, refer the the manual.
If your phone is not on this list try it any way or use the B1, B2 or C1, C2 settings. B1, B2 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, 945, 952, 953, 954, 955, 964, 974,984,
982, 992, SIGNATURE, FT483
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
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
RCA 25403 RCA, 25413 RCA-2, etc. all models
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