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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.

Example of ECOTEL VoIP trunk gateway settings 1/2.

Example of ECOTEL VoIP trunk gateway settings 2/2.

Registrar

Use here the SIP-Server / Registrar (received by ECOTEL).

trunk.sip-ecotel.de

Proxy

In individual cases, an entry here can lead to problems, therefore
This field should always remain free. (See Installation & Configuration Guide ECOTEL)

User

Enter here the Username (Benutzername), followed by '@trunk.sip-ecotel.de'. You have to enter the realm behind the username in order to properly register the trunk at the provider.

For example

021155007000@trunk.

sip-ecotel.de

Dial command

The dial command is the command which is used in the asterisk software. The term {number}  means, that the number (e.g. 021155007000) is dialled as entered. If you use a line access code (in most cases '0' is used), you have to add ':1' after "number".

Group

Select here the previously created gateway group.

Update remote party ID or P-Asserted-Identitiy (CLIP)

These settings can be left on the default setting (no - Deactivated)

From Domain

Enter here the Domain/Realm delivered by ECOTEL

trunk.sip-ecotel.de

T38 support

In order to have a better fax-support for fax-machines, connected to the FXS ports activate this option.

All tested scenarios were ok with this parameter activated.

Underneath the configuration parameter you will see a preview of the complete sip.conf file.