List out different telecom technologies

Different standards depending on where you are at, but here in the United State some of the Telecom Circuit Types are as follows:

B1

DS0 (56K Channel)

DS1/T1 (European near equivalent is E1)

DS3/T3 (European near equivalent is E3)

SONET (OC1, OC-3, OC-12, OC-48, OC-192, OC-768) - (European near equivalent is SDH)

xPON (passive optical networking)

ACTIVE ETHERNET

BRI (Basic Rate Interface)

PRI (Primary Rate Interface)

Services that are provided on these can be any of the following:

ETHERNET

ISDN (PRI or BRI)

ADSL

SHDSL

E.SHDSL

HDSL

EOS (ETHERNET OVER SONET)

RPR (RESILIENT PACKET RING)

ATM (ASYNCHRONOUS TRANSFER MODE)

FRAME-RELAY

MPLS

GPON

EPON

GEPON

APON

SIP TRUNKING