Hello,

yesterday I began to set up my asterix box with visdn since I tried chan_misdn 
and zaphfc without success (choppy sound, ...). Both (misdn and ZapHfc) do 
not really work on my SMP PIII-500 system, Kernel 2.6.10.

With visdn it works until now quite good, so a big thank you to Daniele 
Orlandi for his great work!  There are only some issues i noticed. First of 
all my asterisk setup:

            asterisk
           +--------+
           |        |
     +-----+ hfc_nt |
     |     |        |
     |     +--------+
     |     |        |           +--------------------+
     |     | hft_te +-----------+ telco_ntba (ARCOR) |
     |     |        |           +----------+---------+
     |     +--------+                      |
     |                                     |
+----+--------------------+         +------+-------------------+
| ISDN-Phone I (MSN 1111) |         | ISDN-Phone II (MSN 2222) |
+-------------------------+         +--------------------------+

1) After module loading I get one time for each card :
   "hfc-pci: pci-0000:00:0e.0: sync lost, pci performance too low!"
   here the dmesg output:
   SNIP
        visdn: loading
        NET: Registered protocol family 30
        visdn-netdev: Netdevice gateway loading
        visdn-streamport: vISDN streamport module loading
        visdn-ppp: vISDN ppp gateway module loading
        vts_timer_open()
        hfc-4s: HFC-4S HFC-8S Driver loading
        hfc-pci: HFC-S PCI A Driver loading
        PCI: Enabling device 0000:00:0d.0 (0000 -> 0003)
        hfc-pci: pci-0000:00:0d.0: resetting
        hfc-pci: pci-0000:00:0d.0: configured at mem 0x82120000 (0xd89c0000) 
IRQ 17
        PCI: Enabling device 0000:00:0e.0 (0000 -> 0003)
        hfc-pci: pci-0000:00:0e.0: resetting
        hfc-pci: pci-0000:00:0e.0: configured at mem 0x82120400 (0xd89d4400) 
IRQ 18
        hfc-pci: pci-0000:00:0d.0:st:chan[D] channel opened.
        lapd: NETDEV_UP visdn0
        hfc-pci: pci-0000:00:0e.0:st:chan[D] channel opened.
        lapd: NETDEV_UP visdn1
        lapd: TEI assigned
        lapd: tei_mgmt: visdn1 TEI 86 assigned
        hfc-pci: pci-0000:00:0e.0:st:chan[B1] channel opened.
        hfc-pci: pci-0000:00:0e.0: sync lost, pci performance too low!
        lapd: TEI assigned
        lapd: tei_mgmt: visdn1 TEI 87 assigned
        hfc-pci: pci-0000:00:0e.0:st:chan[B1] channel opened.
        hfc-pci: pci-0000:00:0e.0:st:chan[B1] channel opened.
        hfc-pci: pci-0000:00:0d.0: sync lost, pci performance too low!
        hfc-pci: pci-0000:00:0e.0:st:chan[B1] channel opened.
        hfc-pci: pci-0000:00:0e.0:st:chan[B1] channel opened.
        hfc-pci: pci-0000:00:0e.0:st:chan[B1] channel opened.
        hfc-pci: pci-0000:00:0e.0:st:chan[B1] channel opened.
   SNAP

2) call from 1111 to 2222: - realtime audio in both directions, works fine

3) call from 2222 to 1111: - realtime audio from 2222 to 1111
                           - delayed audio from 1111 to 2222

4) If I pickup "ISDN-Phone I" you can hear the last frames from the last call, 
befor the dialtone is audible.

Has someone experienced the same behaviar or some tips?

Best regards,

F.Heese
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