ISDN:Specification

The ISDN protocol layer conforms to the following standards:

• ITU-T Q.920

• ITU-T Q.921

• ITU-T Q.931

• ETS 300 102

• ETS 300 125

• ETS 300 403-1, 403-2, 403-3

• AT&T TR 41459

• TS-013 and TS-014

TelcoBridges' implementation of ISDN supports the following switch variants:

• Q.921 LAPD

• Q.931 ISDN PRI

  • NI-2

  • Lucent 4ESS

  • Lucent 5ESS

  • Nortel DMS-100

  • Nortel DMS-250

  • Euro ISDN ETSI NET5 (French, German, UK, China, Hong-Kong, and Korea)

  • Euro Numeris (VN6)

  • Japanese NTT INS-NET1500

  • Australian