25 Apr
2003
25 Apr
'03
12:04 p.m.
Hi Jiri,
it works! Thank you very much!
The voice-port block is the key:
-------------------------------
voice-port 1/0/0
compand-type a-law
cptone DE
bearer-cap Speech
------------------------------
yang
----- Original Message -----
From: "Jiri Kuthan" <jiri(a)iptel.org>
To: "Yang Xiang" <yang.xiang(a)iitb.fraunhofer.de>
Sent: Friday, April 25, 2003 5:21 PM
Subject: Re: [Serusers] problem with cisco 2600 to pstn
-
-
-
try to look at our config at
http://www.iptel.org/~jiri/etc/cisco/ios_2003.txt
if it helps you. I think we had the same problem,
changed some settings
and it
worked then. I unfornantely don't remember what it
was.
-Jiri
At 04:54 PM 4/25/2003, you wrote:
>Hi all,
>
>I am expericing problem with the cisco 2600, which should function as the
>sip2pstn gateway. If I try to complete a call from a sip phone to pstn,
the
>router says:
>------------------------------------------------------------------------
> 00:15:49: ISDN BR1/0: TX -> SETUP pd = 8 callref = 0x03
>00:15:49: Bearer Capability i = 0x8090A2
> ^^^^^^
>00:15:49: Channel ID i = 0x83
>00:15:49: Progress Ind i = 0x8181 - Call not end-to-end ISDN, may
>have in-band info
>00:15:49: Calling Party Number i = 0x80, 'yang2', Plan:Unknown,
>Type:Unknown
>00:15:49: Called Party Number i = 0xC9, '6091574', Plan:Private,
>Type:Subscriber(local)
>00:15:49: ISDN BR1/0: RX <- SETUP_ACK pd = 8 callref = 0x83
>00:15:49: Channel ID i = 0x89
>00:15:49: Progress Ind i = 0x8188 - In-band info or appropriate
now
>available
>00:15:49: ISDN BR1/0: RX <- DISCONNECT pd = 8 callref = 0x83
>00:15:49: Cause i = 0x80C1 - Bearer capability not implemented
>
>^^^^^^^^^^^^^^^^^^^^^^^^^^
>00:15:49: Progress Ind i = 0x8188 - In-band info or appropriate
now
available
--------------------------------------------------------------------------- >------------
>
>Please notice the line "Bearer Capability i = 0x8090A2", the digits
"80"
>mean that this is a ITU voice call, "90" mean circuit mode, 64 kbps and
"A2"
is for G.711
u-law.
So if I call the router from a normal telephone, the debugging looks as
follows:
--------------------------------------------------------------------------- >----
>01:01:58: ISDN BR1/0: RX <- SETUP pd = 8 callref = 0x01
>01:01:58: Bearer Capability i = 0x8090A3
> ^^^
>01:01:58: Channel ID i = 0x89
>01:01:58: Calling Party Number i = 0x0181, '609157', Plan:ISDN,
>Type:Unknown
>01:01:58: Called Party Number i = 0xC1, '20', Plan:ISDN,
>Type:Subscriber(local)
>01:01:58: High Layer Compat i = 0x9181
>01:01:58: ISDN BR1/0: Event: Received a VOICE call from 609157 on B1 at
64
Kb/s
--------------------------------------------------------------------------- >---------
>
>whereat the bearer capability is "0x8090A3". It means that the
ISDN-switch
of German
Telekom uses G.711 a-law.
I am afraid that is the reason why the sip-call doesn't go through. But I
can't find any way to configure this.
Has anybody in this mailinglist the same experience?
Any hints would be very appreciated.
Thanks
yang
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Jiri Kuthan http://iptel.org/~jiri/