[asterisk-ss7] Re: chan_ss7 experience and question.

[Vernier Umali]

I already set the digium card in its own IRQ. IRQ misses are now zero
after a few days. The errors below are still coming up in the logs.
Any ideas? BTW, the switch is an Alcatel. Thanks

On 12/7/06, Vernier Umali <vernier at gmail.com> wrote:
> I have recently integrated with a switch using chan_ss7 0.90. Calls
> were passing thru from IAX to ss7 and voice quality is excellent. I
> haven't done calls from ss7 to IAX since they have to change something
> at the switch (routing). I have a few observations though.
>
> 1. When I use IAX to call ss7 and I send a busy tone from the mobile,
> the channel would still indicate initializing calls. But when I call
> the phone from IAX and pick up the fone then cancelled the call from
> the phone, everything turned out ok. I got these from the logs when I
> sent the busy tone.
>
> DEBUG[28643] l4isup.c: processing ISUP message, typ=CPR, CIC=24
> DEBUG[28643] l4isup.c: Process CPR, CIC=24 event=0x3, obci=0x1
>
> 2. I'm getting a few CRC and bitstream errors from the logs. I'm also
> getting a few IRQ misses. I think this is because of IRQ sharing. I
> intend to fix that next time and see what happens. But as I said,
> calls a coming through OK. Logs of the errors
>
> mtp.c: MTP2 bitstream frame format error, entering octet counting mode
> on link 'l1'.
> mtp.c: MTP2 CRC error (CRC=0x9496 != 0xf0b8) on link 'l1'.
>
> Besides the above, everything seems to be going ok. I haven't really
> tested it yet on long and many calls and I haven't done ss7 to ip
> calling yet. I'm also keen on ss7 to ss7 calls passing though
> asterisk.
>