Michal Leinweber schrieb am Montag, den 12. Juni um 12:04 Uhr:

> I have the same sound problem with 1 port hfc-pci for months. In
> some very old snapshots it worked but now it's unusable, it is not
> only "little trouble". I think it is something echo-related.

Looks like this is the exact same Problem I ran into a few minutes
ago, while giving visdn a try :(

Setup is as follows:

SIP-phone <-> Asterisk <-> ISDN (hfc-pci) <- world via PSTN ->

Sound is fine on my Side of the connection, but is crippled on the
PSTN side! It does not matter which party is calling though.

Here is what my configuration-files look like (more or less verbatim
copied from samples directory):

-------------------------------------------------------
/etc/visdn/device-pci-0000:00:0c.0
-------------------------------------------------------
<netdev visdn0>
  protocol lapd
  role TE
  mode P2MP
</netdev>

<port st0>
  attribute role TE
  attribute timer_t1 1500
  attribute timer_t3 1500

  <chan D>
    connectmodule netdev visdn0
  </chan>

  <chan E>
    connectmodule netdev visdn0 echo
  </chan>
</port>
----------------------------------------------------

----------------------------------------------------
/etc/asterisk/visdn.conf
----------------------------------------------------
[general]

[global]
network_role = private
tones_option = yes
language = en
outbound_called_ton = unknown
force_outbound_cli =
force_outbound_cli_ton = no
clir_mode = unrestricted_default
cli_rewriting = No
national_prefix = 0
international_prefix = 00
network_specific_prefix =
subscriber_prefix =
abbreviated_prefix =
overlap_sending = Yes
overlap_receiving = No
autorelease_dlc = 10
call_bumping = No

[huntgroup:telco]
mode = sequential
members = visdn0

[visdn0]
network_role = private
context = isdn
tones_option = yes
outbound_called_ton = unknown
force_outbound_cli =
force_outbound_cli_ton = no
clip_default_name = vISDN
clip_default_number = 300
clip_numbers = 300
clir_mode = unrestricted_default
overlap_sending = Yes
overlap_receiving = No
-------------------------------------------------------

Bug or configuration Problem?

Sven

P.S.: I'm using asterisk 1.2.7.1 and visdn snapshot 20060611

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