To connect your Tieline codec to a Comrex Matrix rack mount codec:

 

1.Use the G.722 algorithm.

2.Connect using only one 64Kbps ISDN B Channel (bonding of G.722 over two ISDN B channels is not possible).

 

Configuring the Matrix to Make an ISDN Call

1.Connect an ISDN line to the Matrix codec and power up the unit.

2.Press "2" to select "ISDN Status".

3.Press "Enter" to configure the connection.

4.Press "4" to select the "Configure" menu.

5.Press "2 to select the "Network" menu.

7.Press "4" to select "Profiles" and then press "1" to select "Load Profile".

8.Press "2" to select "Store" and program a new profile using the codec wizard.

9.Press ""Enter" to enter a profile number between 1 and 10. Note: This will overwrite any previously stored profile.

10.Next select the number for the ISDN "Switch Type" setting that is appropriate for your region.

•Press "4" to select "Euro" if you are connecting to a Euro ISDN service.

•Press "1" to select "NI1", which is the most common in the US, but check this with your Telco.

11.If prompted by the menu, use the keypad to enter the "SPID" number the line being used if this is required in your region. Press "Enter" to store the new number. Note: Use the "Cancel" button to delete numbers.

12.Next use the keypad to enter the "LDN" (DN/MSN) number for the line being used. Press "Enter" to store the new number. Note: Use the "Cancel" button to delete numbers.

13.Enter a "Qdial" (Quick Dial) number.

14.Press "1"  to select "G.722" as the algorithm.

15.Press "2" to select "64" as the bit rate.

16.The codec is now programmed to dial.

 

Configuring the Tieline Codec to Connect to the Matrix over G.722

1.Press the HOME button to return to the Home screen and select Connect > ISDN.

2.Navigate to Setup and press the button.

 

3.Select Session Type [Sessionless] > Select Dial Route [None] > Number of B Channels [Select 1B ] > Algorithm [ Select G.722].

4.Navigate to a Destination (e.g. Dest 1 or Dest 2) and press the button to select it. Then enter the number you want to dial and press the button, then select which B channel will dial using that number and press the button.

5.Navigate down to Auto Reconnect and press the button to toggle between Enabled and Disabled. Note: This is normally enabled on the dialing codec only.

 

6.Navigate down to Save as Program and press the button to save these settings as a program.

7.Navigate down to Module Configuration and press the button.

 

8.Select the ISDN module you want to configure and press the button.

 

 

9.Configure the following settings:

•Accept > Voice and Data

•Network > Check with your Telco (EU-ETSI in Australia; Europe & most countries outside North America; [US Nat] is the most common in the US, but check with your Telco).

•Line Type > Check with your Telco and select either Point-to-Multi (point-to-multipoint) or Point-to--Point (point-to-point).

•DN/MSN > Enter the "SPID" and "DN" numbers if required in your region, e.g. a SPID is normally required in the US.

10. Navigate up to Apply Settings and press the button.

 

Dialing from the Tieline Codec

Program Dialing

1.If you have saved the ISDN program as previously instructed, press the HOME button to return to the Home screen and select Connect > Programs.

2.Select the saved program you want to load and press the button.

3.Select Load and press the button to load the program.

4.Press the CONNECT button to dial the ISDN program connections.

 

Ad Hoc Dialing

1.If you haven't save the program but have entered the dialing numbers and other settings, press the HOME button to return to the Home screen and select Connect > ISDN > Connect.

2.Press the button to dial using the settings previously entered.

 

Dialing from the Comrex Matrix

 

1.Use the "Cancel" button to return to the main LCD connection screen.

2.Press "Enter", then press "1"  ("Dial") and use the numeric keypad to enter the number you wish to dial.

3.Press "Enter" to make the call.