Hi vma, Thank you for your answer. after added the line , the error message is gone . But there is always put out the following information on CLI console: --------------------------------------------------------------------------------------------------- *CLI> [Jul 10 05:01:57] NOTICE[7407]: l4isup.c:1305 t22_timeout: T22 timeout (No "circuit group reset acknowledge" from peer) CIC=0. [Jul 10 05:01:57] NOTICE[7407]: l4isup.c:1305 t22_timeout: T22 timeout (No "circuit group reset acknowledge" from peer) CIC=16. [Jul 10 05:02:27] NOTICE[7407]: l4isup.c:1305 t22_timeout: T22 timeout (No "circuit group reset acknowledge" from peer) CIC=0. [Jul 10 05:02:27] NOTICE[7407]: l4isup.c:1305 t22_timeout: T22 timeout (No "circuit group reset acknowledge" from peer) CIC=16. [Jul 10 05:02:31] WARNING[7407]: l4isup.c:4600 l4isup_event: Received CIC=15 for unequipped circuit (typ=RSC), link 'l1'. [Jul 10 05:02:31] WARNING[7407]: l4isup.c:4600 l4isup_event: Received CIC=31 for unequipped circuit (typ=RSC), link 'l1'. [Jul 10 05:02:46] WARNING[7407]: l4isup.c:4600 l4isup_event: Received CIC=15 for unequipped circuit (typ=RSC), link 'l1'. [Jul 10 05:02:46] WARNING[7407]: l4isup.c:4600 l4isup_event: Received CIC=31 for unequipped circuit (typ=RSC), link 'l1'. --------------------------------------------------------------------------------------------------- What's all this about? How to resolve these warnings information? I am looking for your help. Best regards! liuxin 2010/7/8 vallimamod abdullah <vallimamod.abdullah at imtelecom.fr> > Hi Liuxin, > > On Thursday 8 Jul, 2010, at 2:13 PM, 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'.* > > You can try with "sltm => no" on your [link-l1] section ? > It may help... > > Regards, > - vma > . > > > -- > _____________________________________________________________________ > -- Bandwidth and Colocation Provided by http://www.api-digital.com -- > > asterisk-ss7 mailing list > To UNSUBSCRIBE or update options visit: > http://lists.digium.com/mailman/listinfo/asterisk-ss7 > -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.digium.com/pipermail/asterisk-ss7/attachments/20100708/0adafa06/attachment.htm