[Asterisk-Users] PRI in Shanghai China

Steve Underwood steveu at coppice.org
Wed May 10 05:31:53 MST 2006


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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