Returns remote circuit capabilities in bit masks with following order: 0 - Disabled, 1 - Enabled Byte Order of octet string: Byte 0. Byte 1. Byte 2. Byte 3. Byte 4. Byte 5. Byte 6. Byte 7 Byte 0: Bit 2 - G992.1 Annex A (Full Rate ADSL over POTS) Bit 4 - G992.1 Annex B (Full Rate ADSL over ISDN) Bit 6 - G992.1 Annex C (Full Rate ADSL in TCM-ISDN) Byte 1: Bit 0 - G992.2 Annex A/B (Lite ADSL Over POTS/ISDN) Bit 2 - G992.2 Annex C (Lite ADSL in TCM-ISDN) Byte 2: Bit 2 - G992.3 Annex A/L (ADSL2 over POTS) Bit 4 - G992.3 Annex B (ADSL2 over ISDN) Byte 3: Bit 0 - G992.4 Annex A (ADSL2 Lite Over POTS) Bit 4 - G992.3 Annex I (All Digital ADSL2 (POTS)) Bit 6 - G992.3 Annex J (All Digital ADSL2 (ISDN)) Byte 4: Bit 0 - G992.4 Annex I (All Digital ADSL2 Lite) Bit 2 - G992.3 Annex L Mode 1 Wide Upstream (RE-ADSL2 Over POTS) Bit 6 - G992.3 Annex M (Double Upstream ADSL2) Byte 5: Bit 0 - G992.5 Annex A (ADSL2+ over POTS) Bit 2 - G992.5 Annex B (ADSL2+ Over ISDN) Bit 6 - G992.5 Annex I (All Digital ADSL2+ (POTS)) Byte 6: Bit 0 - G992.5 Annex J (All Digital ADSL2+ (ISDN)) Bit 2 - G992.5 Annex M (Double Upstream ADSL2+) Byte 7: Bit 0 - VDSL2 (North America) Bit 1 - VDSL2 (Europe) Bit 2 - VDSL2 (Japan)