[Asterisk-Users] PRI in Shanghai China

[HaoXu]

Hi steven,
 
I am from China. we have many E1 gateway running in China including
ShangHai.
 
In your case, it is impossible to negociate with ShangHai Telecom. To debug
the E1 link problem, why not use a PBX or E1 trunk gateway to test the link
first. We have successfully used the E1 gateway work with asterisk in
ShangHai. What's your card type?
 
Hawk

  _____  

From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of 陈帆
Sent: Tuesday, May 16, 2006 5:00 PM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: Re: [Asterisk-Users] PRI in Shanghai China


steven,,
 
u not understand the situation,,,
there only have 30 channel for voice,, the other channel resiverd for
control channel..
 
good luck for you.

 
On 5/10/06, Steve Underwood <steveu at coppice.org> wrote: 

陈帆 wrote:

> there have only 30 channel for E1,,

He has defined the correct 30 channels for his E1. 

> On 5/10/06, *Steve Underwood* <steveu at coppice.org
> <mailto:steveu at coppice.org>> wrote:
>
>     Edwin Lam wrote: 
>
>     > hi folks.
>     >
>     > does any one have experience setting up E1 PRI in Shanghai, China?
>     > it works fine when we use SIP phone to dial out, however when
>     > using forward function on the same phone, it seems like it's dialing

>     > out but there's actually no respond from the phone company (China
>     > Telecom)
>     > and eventually the dial command will timed out.
>     >
>     > here's our PRI portion of zapata.conf:
>     >
>     > switchtype=euroisdn
>     > nsf=none
>     > pridialplan=unknown
>     > internationalprefix = 00
>     > nationalprefix = 0
>     > localprefix = privateprefix = unknownprefix = 
>     > signalling=pri_cpe
>     > hidecallerid=no
>     > usecallingpres=yes
>     > callerid=asreceived
>     > channel => 1-15
>     > channel => 17-31
>     > 
>     > any clues?
>
>     China Telecom can be very fussy about getting the TON and NPI values
>     right, and some installations simply fail to respond to things they
>     don't like. As with all telcos, if things don't work properly asking 
>     China Telecom to help is usually a frustrating task.
>
>     Steve
>
>
> --
> Jeffery


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-- 
Jeffery

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