[asterisk-ss7] No SLTA received within Q.707 timer T1, trying again on link 'l1'.

liuxin nyliuxin518 at gmail.com
Thu Jul 8 08:19:32 CDT 2010 

Hi gustavomarsico,
Thank you. After added the line "sltm => no", the error message is gone.
But I got the following information:
--------------------------------------------------------------------------------------------------------------
[Jul 10 05:04:16] WARNING[7407]: l4isup.c:4600 l4isup_event: Received CIC=15
for unequipped circuit (typ=RSC), link 'l1'.
[Jul 10 05:04:16] WARNING[7407]: l4isup.c:4600 l4isup_event: Received CIC=31
for unequipped circuit (typ=RSC), link 'l1'.
[Jul 10 05:04:27] NOTICE[7407]: l4isup.c:1305 t22_timeout: T22 timeout (No
"circuit group reset acknowledge" from peer) CIC=0.
[Jul 10 05:04:27] NOTICE[7407]: l4isup.c:1305 t22_timeout: T22 timeout (No
"circuit group reset acknowledge" from peer) CIC=16.
[Jul 10 05:04:31] WARNING[7407]: l4isup.c:4600 l4isup_event: Received CIC=15
for unequipped circuit (typ=RSC), link 'l1'.
[Jul 10 05:04:31] WARNING[7407]: l4isup.c:4600 l4isup_event: Received CIC=31
for unequipped circuit (typ=RSC), link 'l1'.
--------------------------------------------------------------------------------------------------------------
I am looking forward your help.
Thank you.

  liuxin

2010/7/8 Gustavo Marsico <gustavomarsico at gmail.com>

> Check if the SLC is the same in both sides.
>
>
> On 8 Jul 2010, at 09:13, liuxin wrote:
>
> > Hi all experts,
> >
> >
> > Now, I am using asterisk + zaptel + ss7 on my centos system. But  after
> > start asterisk, i always got the error on CLI console.
> >
> --------------------------------------------------------------------------------------------------------------
> > *CLI> [Jul 10 03:59:40] WARNING[6445]: mtp.c:953 timeout_sltm_t1:* No
> SLTA
> > received within Q.707 timer T1, trying again on link 'l1'.*
> >
> > [Jul 10 03:59:49] ERROR[6445]: mtp.c:958 timeout_sltm_t1: *No SLTA
> received
> > within Q.707 timer T1, faulting link on link 'l1'.*
> >
> > [Jul 10 03:59:49] WARNING[6445]: chan_ss7.c:622 process_event:* MTP is
> now
> > DOWN on link 'l1'.*
> >
> > [Jul 10 03:59:49] NOTICE[6445]: mtp.c:606 mtp_changeover: MTP changeover
> > last_ack=4, last_sent=4, from schannel 16, no INSERVICE schannel found
> >
> > [Jul 10 03:59:49] NOTICE[6445]: mtp.c:610 mtp_changeover: Failover not
> > possible, no other signalling link and no other host available.
> >
> > [Jul 10 03:59:52] NOTICE[6445]: mtp.c:1176 mtp2_good_frame: Sending TRA
> to
> > peer on link 'l1'....
> >
> > [Jul 10 04:00:01] WARNING[6445]: mtp.c:953 timeout_sltm_t1: No SLTA
> received
> > within Q.707 timer T1, trying again on link 'l1'.
> >
> > [Jul 10 04:00:10] ERROR[6445]: mtp.c:958 timeout_sltm_t1: No SLTA
> received
> > within Q.707 timer T1, faulting link on link 'l1'.
> >
> > [Jul 10 04:00:10] WARNING[6445]: chan_ss7.c:622 process_event: MTP is now
> > DOWN on link 'l1'.
> >
> > [Jul 10 04:00:10] NOTICE[6445]: mtp.c:606 mtp_changeover: MTP changeover
> > last_ack=8, last_sent=8, from schannel 16, no INSERVICE schannel found
> >
> > [Jul 10 04:00:10] NOTICE[6445]: mtp.c:610 mtp_changeover: Failover not
> > possible, no other signalling link and no other host available.
> >
> > [Jul 10 04:00:14] NOTICE[6445]: mtp.c:1176 mtp2_good_frame: Sending TRA
> to
> > peer on link 'l1'....
> >
> > [Jul 10 04:00:14] NOTICE[6445]: mtp.c:1053 mtp2_process_lssu: Got status
> > indication 'OS' while INSERVICE on link 'l1'.
> >
> > [Jul 10 04:00:14] WARNING[6445]: chan_ss7.c:622 process_event: MTP is now
> > DOWN on link 'l1'.
> >
> >
> --------------------------------------------------------------------------------------------------------------
> > my config files:
> >
> > software & hardware  env
> >
> --------------------------------------------------------------------------------------------------------------
> > asterisk-1.4.20
> > zaptel-1.4.11
> > chan_ss7-1.1
> > centos 5.5
> > Openvox D210P
> >
> --------------------------------------------------------------------------------------------------------------
> >
> > zaptel.conf
> >
> --------------------------------------------------------------------------------------------------------------
> > # Span 1: TE2/0/1 "T2XXP (PCI) Card 0 Span 1" (MASTER)
> > span=1,1,0,ccs,hdb3
> > # termtype: te
> > bchan=1-31
> > # Span 2: TE2/0/2 "T2XXP (PCI) Card 0 Span 2"
> > span=2,2,0,ccs,hdb3
> > # termtype: te
> > bchan=32-62
> > # Global data
> > loadzone        = cn
> > defaultzone     = cn
> >
> --------------------------------------------------------------------------------------------------------------
> >
> > ss7.conf
> >
> --------------------------------------------------------------------------------------------------------------
> > [linkset-ls1]
> > enabled => yes
> > enable_st => no
> > use_connect => yes
> > hunting_policy => even_mru
> > context => ss7_call
> > language => cn
> > subservice => auto
> > variant => CHINA
> > [link-l1]
> > linkset => ls1
> > channels => 1-15,17-31
> > schannel => 16
> > firstcic => 0
> > enabled => yes
> > echocancel => no
> > echocan_train => 350
> > echocan_taps => 128
> > ;[link-l2]
> > ;linkset =>ls1
> > ;channels => 1-31
> > ;schannel =>
> > ;firstcic => 33
> > ;enabled => yes
> >
> > [host-v2-sip]
> > enabled => yes
> > opc => 2414205
> > dpc => ls1:2414230
> > links => l1:1
> >
> --------------------------------------------------------------------------------------------------------------
> >
> >
> --------------------------------------------------------------------------------------------------------------
> > *CLI> ss7 link status
> > linkset ls1, link l1, schannel 16, sls 0, INSERVICE, rx: 3, tx: 1/3,
> > sentseq/lastack: 3/3, total    102144,    102240
> >
> --------------------------------------------------------------------------------------------------------------
> >
> >
> --------------------------------------------------------------------------------------------------------------
> > *CLI> ss7 linestat
> > Linkset: ls1
> > CIC   0 Idle Reset pending
> > CIC   1 Idle Reset pending  BLOCKED Local Hardware
> > CIC   2 Idle Reset pending  BLOCKED Local Hardware
> > CIC   3 Idle Reset pending  BLOCKED Local Hardware
> > CIC   4 Idle Reset pending  BLOCKED Local Hardware
> > CIC   5 Idle Reset pending  BLOCKED Local Hardware
> > CIC   6 Idle Reset pending  BLOCKED Local Hardware
> > CIC   7 Idle Reset pending  BLOCKED Local Hardware
> > CIC   8 Idle Reset pending  BLOCKED Local Hardware
> > CIC   9 Idle Reset pending  BLOCKED Local Hardware
> > CIC  10 Idle Reset pending  BLOCKED Local Hardware
> > CIC  11 Idle Reset pending  BLOCKED Local Hardware
> > CIC  12 Idle Reset pending  BLOCKED Local Hardware
> > CIC  13 Idle Reset pending  BLOCKED Local Hardware
> > CIC  14 Idle Reset pending  BLOCKED Local Hardware
> > CIC  16 Idle Reset pending  BLOCKED Local Hardware
> > CIC  17 Idle Reset pending  BLOCKED Local Hardware
> > CIC  18 Idle Reset pending  BLOCKED Local Hardware
> > CIC  19 Idle Reset pending  BLOCKED Local Hardware
> > CIC  20 Idle Reset pending  BLOCKED Local Hardware
> > CIC  21 Idle Reset pending  BLOCKED Local Hardware
> > CIC  22 Idle Reset pending  BLOCKED Local Hardware
> > CIC  23 Idle Reset pending  BLOCKED Local Hardware
> > CIC  24 Idle Reset pending  BLOCKED Local Hardware
> > CIC  25 Idle Reset pending  BLOCKED Local Hardware
> > CIC  26 Idle Reset pending  BLOCKED Local Hardware
> > CIC  27 Idle Reset pending  BLOCKED Local Hardware
> > CIC  28 Idle Reset pending  BLOCKED Local Hardware
> > CIC  29 Idle Reset pending  BLOCKED Local Hardware
> > CIC  30 Idle Reset pending  BLOCKED Local Hardware
> >
> --------------------------------------------------------------------------------------------------------------
> > I am looking your help !
> >
> > Thanks your comments
> >
> >       liuxin
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