[asterisk-ss7] chan_ss7 - mtp2/initial alignment problem

[Low Yu Siang]

Hi,

I am trying to configure a single-link, single host SS7 setup using chan_ss7. However, I still found all the CIC/circuits are in 'idle reset pending' status after days of trying. Below is the log messages:-

[Jul 17 23:35:23] NOTICE[8466]: config.c:604 load_config_link: Configured link 'l1' on linkset 'siuc', firstcic=1
[Jul 17 23:35:23] NOTICE[8466]: config.c:1024 load_config: Configuring DPC 12864 for linkset 'siuc'.
    -- Starting cluster thread, pid=8466.
    -- Starting continuity check thread, pid=8466.
  == Registered channel type 'SS7' (SS7 Protocol Driver)
[Jul 17 23:35:23] NOTICE[8466]: mtp.c:2198 mtp_init: Initialising 1 signalling links
    -- Starting MTP thread, pid=8466.
    -- SS7 channel loaded successfully.
Loaded chan_ss7 => (SS7 Protocol Support)
WARNING[8500]: mtp.c:465 t2_timeout: MTP2 timer T2 timeout (failed to receive 'O', 'N', or 'E' after sending 'O'), initial alignment failed on link 'l1'.
.....

*CLI> ss7 linestat
Linkset: siuc
CIC   1 Idle Reset pending
CIC   2 Idle Reset pending
CIC   3 Idle Reset pending
.....

*CLI> ss7 link status
linkset siuc, link l1, schannel 16, sls 0, NOT_ALIGNED, rx: 0, tx: 4/4, sentseq/lastack: 127/127, total    403712,    161216

Feel free to request any config/dump from me if you think it is useful, thank you.

Regards,
Steve


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