Someone

2503A#ping 10.0.1.2

Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 10.0.1.2, timeout is 2 seconds:

00:17:38: ISDN BR0: Outgoing call id = 0x8006, dsl 0
00:17:38: ISDN BR0: Event: Call to 5551000 at 64 Kb/s
00:17:38: ISDN BR0: process_bri_call(): call id 0x8006, called_number 5551000, speed 64, call type DATA
00:17:38: CCBRI_Go Fr Host InPkgInfo (Len=22) :
00:17:38: 1 0 1 80 6 0 4 2 88 90 18 1 83 2C 7 35 35 35 31 30 30 30
00:17:38:
00:17:38: CC_CHAN_GetIdleChanbri: dsl 0
00:17:38:     Found idle channel B1
00:17:38: ISDN BR0: TX ->  SETUP pd = 8  callref = 0x02
00:17:38:         Bearer Capability i = 0x8890
00:17:38:         Channel ID i = 0x83
00:17:38:         Keypad Facility i = '5551000'
00:17:38: ISDN BR0: RX <-  SETUP_ACK pd = 8  callref = 0x82
00:17:38:         Channel ID i = 0x89
00:17:38:         Signal i = 0x00 - Dial tone on
00:17:39: CCBRI_Go Fr L3 pkt (Len=10) :
00:17:39: D 1 2 B7 18 1 89 34 1 0
00:17:39:
00:17:39: ISDN BR0: LIF_EVENT: ces/callid 1/0x8006 HOST_INFORMATION.....
Success rate is 0 percent (0/5)
2503A#
00:18:02: ISDN Event: dsl 0 call_id 0x8006 B channel assigned by switch 0
ISDN BR0: RX <-  PROGRESS pd = 8  callref = 0x82
00:18:02:         Cause i = 0x829C - Invalid number format (incomplete number)
00:18:02:         Progress Ind i = 0x8288 - In-band info or appropriate now available
00:18:02: CCBRI_Go Fr L3 pkt (Len=12) :
00:18:02: 3 1 2 95 8 2 82 9C 1E 2 82 88
00:18:02:
00:18:02: ISDN BR0: LIF_EVENT: ces/callid 1/0x8006 HOST_INFORMATION
00:18:02: %LINK-3-UPDOWN: Interface BRI0:1, changed state to up
00:18:02: ISDN: get_isdn_service_state(): idb 0x29F6A4 bchan 2 is_isdn 1 Not a Pri
00:18:02: ISDN BR0: process_simple(): msg 7, call id 0x8006, bchan 0, ces 1, call type DATA
00:18:02: CCBRI_Go Fr Host InPkgInfo (Len=6) :
00:18:02: 7 0 1 80 6 0
00:18:02:
00:18:02: ISDN BR0: LIF_EVENT: ces/callid 1/0x8006 HOST_QUERY_RESPONSE
00:18:22: ISDN BR0: Event: Hangup call to call id 0x8006
00:18:22: ISDN BR0: process_disconnect(): call id 0x8006, call type is DATA, b_idb 0x29F6A4, ces 1, cause Normal call clearing(0x10)
00:18:22: %ISDN-6-DISCONNECT: Interface BRI0:1  disconnected from 5551000 , call lasted 20 seconds
00:18:22: ISDN: get_isdn_service_state(): idb 0x29F6A4 bchan 2 is_isdn 1 Not a Pri
00:18:22: CCBRI_Go Fr Host InPkgInfo (Len=13) :
00:18:22: 5 0 1 80 6 3 8 1 90 8 2 80 90
00:18:22:
00:18:22: ISDN BR0: TX ->  DISCONNECT pd = 8  callref = 0x02
00:18:22:         Cause i = 0x8090 - Normal call clearing
00:18:22: ISDN BR0: RX <-  RELEASE pd = 8  callref = 0x82
00:18:22: CCBRI_Go Fr L3 pkt (Len=4) :
00:18:22: 4D 1 2 97
00:18:22:
00:18:22: ISDN BR0: LIF_EVENT: ces/callid 1/0x8006 HOST_DISCONNECT_ACK
00:18:22: ISDN: get_isdn_service_state(): idb 0x29F6A4 bchan 2 is_isdn 1 Not a Pri
00:18:22: ISDN BR0: HOST_DISCONNECT_ACK: call type is DATA
00:18:22: %LINK-3-UPDOWN: Interface BRI0:1, changed state to down
00:18:22: ISDN BR0: TX ->  RELEASE_COMP pd = 8  callref = 0x02
00:18:53:  S8_T200_EXPIRY VA = 6, VS = 6 RC = 0