| ISDN_P_BASE 0 | |
| ISDN_P_TE_S0 1 | |
| ISDN_P_NT_S0 2 | |
| ISDN_P_TE_E1 3 | |
| ISDN_P_NT_E1 4 | |
| ISDN_P_LAPD_TE 0x10 | |
| ISDN_P_LAPD_NT 0x11 | |
| ISDN_P_B_RAW 0x21 | |
| ISDN_P_B_HDLC 0x22 | |
| ISDN_P_B_X75SLP 0x23 | |
| ISDN_P_B_L2DTMF 0x24 | |
| ISDN_P_B_L2DSP 0x25 | |
| ISDN_P_B_L2DSPHDLC 0x26 | |
| /* | |
| * those two are present in include/linux/mISDNif.h but are not handled during | |
| * socket creation. | |
| */ | |
| /* ISDN_P_B_T30_FAX 0x27 */ | |
| /* ISDN_P_B_MODEM_ASYNC 0x28 */ |