| SPECIFICATIONS | TA 308 | TA 616 | TES 824 | TEM 824 | TD1232 | TDA 100 | TDA 200 | TDA 500 | TDA 600 |
| TYPE (Analog, Digital, Hybrid) | |||||||||
| INITIALLY (CO lines + Ext.) | 3+8 | 6+16 | 3+8 | 6+16 | 12+32 | NONE | NONE | NONE | NONE |
| MAX CO lines + Ext. | 3+16 | 6+24 | 8+24 | 8+24 | 24 + 96 | 64 + 64 | 128+ 128 | 192+448 | 160+240 / 640+960 |
| MAX PORTS | N/A | N/A | N/A | N/A | N/A | 96 | 192 | 512 | |
| OUTSIDE CALL / TOLL RESTRICTION | 5 LEVELS | 5 LEVELS | 5 LEVELS | 5 LEVELS | 8 LEVELS | 6 LEVELS | 6 LEVELS | 6 LEVELS | 7 LEVELS |
| CALLER ID SERVICE | YES | YES | YES | YES | YES | YES | YES | YES | YES |
| CALL WAITING | YES | YES | YES | YES | YES | YES | YES | YES | YES |
| AUTO ATTENDANT (DISA) | YES | YES | YES | YES | YES | YES | YES | YES | YES |
| DOOR OPENER / DOOR PHONE | 4 | 4 | 4 | 4 | 2 | 8 | 16 | 8 | 16 / 64 |
| LOG-IN / LOG-OUT | YES | YES | YES | YES | YES | YES | YES | YES | YES |
| MUSIC ON HOLD | YES | YES | YES | YES | YES | YES | YES | YES | YES |
| OUTGOING MESSAGE (OGM) | YES | YES | YES | YES | YES | YES | |||
| ACCOUNT CODE ENTRY | NO | NO | YES | YES | NO | YES | YES | YES | YES |
| DIMENSIONS ( H X W X D ) PER CABINET | 14.5" x 11.8" x 3.75" | 300 x 380 x 100mm | 368x284x102mm | 368x284x102mm | 640 x 320 x 160 mm | 390 x 334 x 270mm | 414 x 430 x 270mm | 18 5/8” X 19 31/32” X 9 ¾” | 414 x 430 x 270mm |