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Example of ECOTEL VoIP trunk gateway group settings.

Outbound caller ID

As

just

the

last

digit

of

the

trunk

number

block

is

changing,

you

can

select

just

the

last

digit

(in

brackets)

and

put

it

into

the

variable

$1.

As

the

provider

wants

the

signalling

number

in

the

format

(country-code)(city-code)(number),

you

have

to

enter

this

number

into

the

next

line

(here:

0891234567$1,

where

the

$1

represents

the

changing

part).

For

external

calls,

we

will

present

e.g.

08912345678

to

the

provider,

and

he

will

take

care

about

the

correct

representation

to

the

called

party.

Asserted

Identity

These

fields

are

used

specially

for

external

forwardings.

For

ECOTEL

VoIP

Trunk,

you

can

leave

these

fields

empty.

Inbound

DIDs

For

incoming

calls,

you

can

use

the

regular

expression,

generated

by

the

setup

assistant.

In

your

case

you

would

have

to

adjust

the

city-code

and

the

pilot-number,

according

to

your

line-settings.

^ ^(?:(?:(?:0049|\+49|49|0)?89)?12345)?(.*)

This

expression

cuts

all

possibly

available

country-

and

city-codes

and

the

pilot-number

from

the

incoming

number

and

only

the

extension

is

remaining

(here:

678).

This

will

be

forwarded

to

the

Inbound

Routes.

Inbound

caller

ID

For

incoming

calls,

we

will

the

external

number

of

the

caller

"as-is"

to

the

phone

(e.g.

089987654321).

During

the

call-setup

the

additional

0

will

be

automatically

removed.

Gateways

This

field

will

be

empty

when

you

create

this

Gateway

group.

It

will

show

later

the

assigned

SIP

gateways.