The following table displays the protocols for digital and analog lines:
Line Type |
Line Sub Type |
Channel Protocols |
E1, T1, E1-R2 |
QSigA, QSigB, ETSI, ETSI CHI |
Same as Line Sub Type |
E1-R2 |
Mexico, Brazil, Argentina, China, Korea, India, Philippines, None |
R2 DID, R2 Loop Start, R2 DOD, R2 DIOD, TIE Immediate Start, TIE Automatic, TIE Delay, TIE Wink, WAN, Out of Service |
T1, J1 |
N/A |
Loop Start, Ground Start, E & M Tie, E & M DID, E & M Switched 56, DID, Clear Channel 64 |
J1 |
N/A |
N/A |
PRI |
AT&T |
Call by Call, Software Defined Network, Megacom WATS, Megacom 800, Wats, Accunet, Private Line, AT&T Multiquest, ETN, I800, ILDS |
PRI |
Sprint |
No Service, None |
PRI |
WorldCom |
No Service, None |
PRI |
Local Telco |
No Service, None |
PRI |
ETSI, AusT013 |
ETSI, AusT013 |
BRI |
ETSI/NTT, S-Bus |
N/A |
Ground Start |
N/A |
N/A |
Loop Start |
With Caller ID, No Caller ID |
N/A |
