No SLTA received within Q.707 timer T1, trying again on link 'l1'.

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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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