atcomsystems.ca/forum Forums TDM Business Telephone Systems Toshiba Telephones & Systems CTX 670 PRI SYNC LOSS and drops calls

Hi All, Im dieing out here.Weve had a CTX670 for almost a year now and drops calls at least 4 times a day. I have finally been able to get a cable for the pri card and am pulling the debug. Below is what im getting. Any ideas PLEASE????

<U1>11;53'867 Tx :[SAPI]00 R [TEI]000 [FRAME]RR F [N(R)]000
<U1>12;03'877 Rx:[SAPI]00 C [TEI]000 [FRAME]RR P [N(R)]000
<U1>12;03'886 Tx :[SAPI]00 R [TEI]000 [FRAME]RR F [N(R)]000
<U1>12;11'354 SYNC LOSS (F3)
<U1>12;11'355 s err ind(err)
<U1>12;11'357 S L3_FSYNC_ENA
<U1>12;11'513 R L3_CLK_DIS
<U1>12;11'513 R L3_SEC_ENA
<U1>12;13'853 Act. (F1)
<U1>12;13'854 s rem ind(nrm)
<U1>12;13'857 S L3_FSYNC_DIS
<U1>12;13'896 Rx:[SAPI]00 C [TEI]000 [FRAME]RR P [N(R)]000
<U1>12;13'903 Tx :[SAPI]00 R [TEI]000 [FRAME]RR F [N(R)]000
<U1>12;13'947 R L3_DL_CON
<U1>12;13'947 DL: start link connection.
<U1>12;13'950 DL: resetting link level, enabled.
<U1>12;13'952 DL: connecting link level.
<U1>12;13'954 Tx :[SAPI]00 C [TEI]000 [FRAME]SABME P
<U1>12;13'971 Rx:[SAPI]00 R [TEI]000 [FRAME]UA F
<U1>12;13'974 DL: data transfer state.
<U1>12;13'977 S L3_DL_CON
<U1>12;14'087 R L3_PAD_TX
<U1>12;14'462 R L3_CLK_DIS
<U1>12;14'463 R L3_PRI_ENA
<U1>12;23'965 Rx:[SAPI]00 C [TEI]000 [FRAME]RR P [N(R)]000
<U1>12;23'974 Tx :[SAPI]00 R [TEI]000 [FRAME]RR F [N(R)]000

Is this dump from an actual circuit down condition? If so, it appears that you've got either a loop or circuit issue. Assuming you haven't tried another T-1 card(which you should if possible) Have the carrier do a stress test and have them come out and test as well.