Capacity:
1) Card Expandable Structure
2) From 8, to 16 CO lines
From 32 to 128 Extensions
3) Has 8 ports in per CO line or extension card

Main Functions:
1. KTS & SLT....

Capacity:
1) Card Expandable Structure
2) From 2 to 6 CO lines, 4 to 32 Extensions.
3) Has 2 CO line ports in per CO line card;
4) Has 4 Extension line ports in per....

Model:
1) TC-308AK ( 3 CO lines + 8Extensions )
2) TC-416AK ( 4 CO lines + 16Extensions)

Main Functions:
1. KTS & SLT compatible, plug and play
2. Call management....

Capacity:
1) Card Expandable Structure 2) From 8, to 16 CO lines ; From 32 to 64 Extensions 3) Has four RJ11 ports in per extension or C.O line card, but each port support 2....