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
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