[Nov  3 17:04:03] ERROR[8621] chan_zap.c: Write to 48 failed: Unknown error 500
[Nov  3 17:04:03] ERROR[8621] chan_zap.c: Short write: 0/15 (Unknown error 500)
[Nov  3 17:04:03] ERROR[6766] chan_zap.c: Write to 48 failed: Unknown error 500
[Nov  3 17:04:03] ERROR[6766] chan_zap.c: Short write: 0/15 (Unknown error 500)
[Nov  3 17:04:03] ERROR[8996] chan_zap.c: Write to 48 failed: Unknown error 500
[Nov  3 17:04:03] ERROR[8996] chan_zap.c: Short write: 0/15 (Unknown error 500)
[Nov  3 17:04:03] ERROR[2932] chan_zap.c: !! Got reject for frame 95, retransmitting frame 95 now, updating n_r!
[Nov  3 17:04:03] ERROR[2932] chan_zap.c: !! Got reject for frame 95, retransmitting frame 96 now, updating n_r!
[Nov  3 17:04:03] ERROR[2932] chan_zap.c: !! Got reject for frame 95, retransmitting frame 97 now, updating n_r!
[Nov  3 17:04:03] ERROR[2932] chan_zap.c: !! Got reject for frame 95, retransmitting frame 98 now, updating n_r!

[Nov  3 17:26:26] ERROR[11719] chan_zap.c: Write to 49 failed: Unknown error 500
[Nov  3 17:26:26] ERROR[11719] chan_zap.c: Short write: 0/15 (Unknown error 500)
[Nov  3 17:26:27] ERROR[2933] chan_zap.c: !! Got reject for frame 29, retransmitting frame 29 now, updating n_r!
[Nov  3 17:26:27] ERROR[2933] chan_zap.c: !! Got reject for frame 29, retransmitting frame 30 now, updating n_r!
[Nov  3 17:26:27] ERROR[2933] chan_zap.c: !! Got reject for frame 31, but we have nothing -- resetting!